0
Q
- True or false. A smoke test is used for roughing.
A
F.
1
Q
- True or false. Bell traps may be used for refrigerators.
A
F.
2
Q
- True or false. A sanitary system receives rain water.
A
F.
3
Q
- True or false. NYC plumbing code permits cup joints.
A
T.
4
Q
- True or false. The public sewer terminates 5’ from the front wall of the building.
A
F.
5
Q
- True or false. A master plumber can conduct a business in any section within city limits.
A
F. Only section C-6 (commercial).
6
Q
- True or false. The F.A.I. shall be at least the size of the house drain.
A
F.
7
Q
- True or false. Conductors nay be of corrugated copper, but not round sheet metal.
A
F.
8
Q
- True or false. The building code which included the plumbing rules and regulations was last revised in 1968.
A
F. New Local law 99/2005.
9
Q
- True or false. The minimum pitch of a 8” house drain shall be 1/8” per ft.
A
F.
10
Q
- True or false. Quarter bends are permitted horizontal to horizontal for 2-inch or smaller fixture drain.
A
T.
11
Q
- True or false. The overflow pipe from a roof tank may discharge 24 inches above the roof.
A
F.
12
Q
- True or false. A waste stack receives the discharge from toilets.
A
F.
13
Q
- True or false. Plumbing fixtures may drain into rainwater, and leader lines.
A
F.
14
Q
15.True or false. The building drain ends 5’ outside the foundation wall.
A
T.
15
Q
- True or false. Tin is lighter than lead.
A
T.
16
Q
- True or false. A 12 inch diameter boiler by 5 feet long will contain 30 gallons of water.
A
T.
17
Q
- True or false. A house sewer may be installed 32” below ground.
A
F.
18
Q
- True or false. Unions are not permitted on gas piping.
A
F.
19
Q
- True or false..Individual outlets to gas ranges shall not be less than 0.75” NPS.
A
T.
20
Q
- A pipe which is properly connected on the fixture side of a trap which pipe vapors or foul air is removed is commonly known as:
A. Circuit vent.
B. Local venting pipe.
C. Back vent pipe, used to relieve back pressure.
D. Independent re-vent.
A
B. Local venting pipe.
21
Q
22. In order that a branch may be correctly termed a "dead end" it shall be terminated by a fitting not used to admit liquids or air to a pipe and at a developed length: A. 5 ft. or more. B. Lees than 2 ft. C. 3 ft. or more. D. 2 ft. or more.
A
D. 2 ft. or more.
22
Q
- You are assigned to the inspection of a 10 story apartment house. On your fist inspection of the building you note that a particular waste pipe is run from a main stack to receive flow only from a group of fixtures on the second and fourth floors respectfully. As the inspector, you shall:
A. Rightly call this pipe a branch.
B. Require the contractor to install the upper most fixture on this pipe without a vent.
C. Require the contractor to pipe it as a separate waste stack.
D. Allow the contractor to use yoke venting for the two groups of fixtures.
A
C. Require the contractor to pipe it as a separate waste stack.
23
Q
- The size of copper tubing of other than iron pipe sizes relates to the
A. inside diameter.
B. Outside diameter.
C. The inside diameter plus the wall thickness at any end
D. The inside diameter plus the average wall thickness of any length.
A
A. inside diameter.
24
25. Which one of the following statements is correct:
A. Any line of storm water piping is known as a "leader".
B. A local venting pipe is commonly used to prevent back siphonage in a drainage system in a building.
C. A sub-house drainage system is one which is only used to receive flow from basement fixtures
D. The waste from a sink (which does not receive fecal matter) may be tied into a soil line.
D. The waste from a sink (which does not receive fecal matter) may be tied into a soil line.
25
26. A fixture trap shall be so constructed without materially affecting the flow of sewage or waste water through the trap and yet prevents the passage of:
A. Air or foul gas through the fixture
B. Silver eels thru the fixture.
C. Sewage or waste water into the water supply system.
D. Sewage or waste water from one fixture into an adjacent fixture.
A. Air or foul gas through the fixture.
26
```
27. Horizontal drainage piping shall be installed in a uniform alignment at uniform slope. The minimum of 1/4 inch per foot when the pipe diameter is:
A. 2" or less
B. 2-1/2" or less
C. 3" or less
D. 4" or less.
```
B. 2-1/2" or less.
27
```
28. Offsets either horizontal or vertical may be made with short sweeps when the diameter of the drainage piping is:
A. 2 inch or larger.
B. 4 inch or larger.
C. 3 inch or larger.
D.2-1/2 inch or larger.
```
C. 3 inch or larger.
28
```
29. The maximum number of water closets permitted to discharge into a 3-inch branch soil line is:
A. 2
B. 4
C. 6
D. 8.
```
C. 6.
29
```
30. The maximum number of water closets permitted to discharge into a 3-inch branch soil line when the water closet is public (flushing greater than 1.6 gpf):
A. 1
B. 2
C. 3
D. 4.
```
C. 3.
| 3 x 6FU =18 FU <= max 18 FU.
30
```
31. The fixture unit value for a bathroom group containing a lavatory, bathtub, shower stall and a water closet (direct flushometer valve 1.6 gpf) in an apartment building 20 stories hight:
A. 4
B. 5
C. 6
D. 7.
```
D. 7.
31
```
32. The fixture unit value for a dental cuspidor is the same as the fixture unit value a:
A. Laundry tray
B. Dental lavatory.
C. Drinking fountain.
D. Laboratory (cup) sink.
```
B. Dental lavatory.
32
```
33. The horizontal drainage piping from a kitchen sink shall be installed at a minimum uniform slope of:
A. 1/2" per ft.
B. 3/16 per ft.
C. 1/8" per ft.
D. 1/4" per ft.
```
D. 1/4" per ft.
33
```
34. A pressure gauge placed at the base of a 5-inch cast iron line undergoing a water test indicates a pressure of 26.9 psi the height of the water in this stack is most nearly:
A. 53'-8"
B. 62'-2"
C. 11'-6"
D. 95'-3".
```
B. 62'-2".
| 26.9x2.31=62.139'.
34
```
35. The minimum allowable fall or grade (slope)of a building drain is:
A. 1/8" per ft.
B. 1/4" per ft.
C. 3/8 per ft.
D. 1/16" per ft.
```
D. 1/16" per ft.
35
36. Offsets either horizontal or vertical may be made with a 90* short sweeps
when the diameter of the drainage piping is most nearly:
A. 2-1/2 in
B.. 3 in
C. 4 in
D. 2 in.
D. 2 in.
36
```
37. A water closet drain is installed in a drop ceiling. For the purpose of rodding, clean outs on this line shall be so installed that there is a clearance of not less than:
A. 12"
B. 15"
C. 18"
D. 24".
```
C. 18".
37
```
38. Clea outs, when installed on an underground drain, shall be extended vertically and made access (to) is:
A. Floor
B. Grade
C. Pit
D. Wall.
```
C. Pit.
38
39.The one location that the discharge from the ejector pit can not connect into is:
A. The building house drain upstream of the building house trap
B. The building house drain downstream of the building house trap
C. The building house sewer
D. Directly into the public sewer.
A. The building house drain upstream of the building house trap.
39
40. Which one of the following statements are most nearly correct:
A. Four inch lead bends used for connection to 4 inch floor flanges are prohibited.
B. Three inch lead bend used for connection to 3 inch floor flanges are permitted
C. Four inch by three inch floor flanges may be used for connection to three inch lead bends
D.Tree inch by four inch floor flanges may be used for connection to four inch lead bends.
C. Four inch by three inch floor flanges may be used for connection to three inch lead bends.
40
41. Where a horizontal stack offset is located more than four branch intervals below the top of the stack, a horizontal branch shall not connect within the horizontal stack offset or within:
A. 2 ft. above the offset and 3 ft. below the offset.
B. 3 ft. above the offset and 2 ft. below the offset.
C. 2 ft. above or below such offset
D. 3 ft. above the offset and 3 ft. below the offset.
C. 2 ft. above or below such offset.
41
```
42. Which one of the following shall not have the vent connection downstream of the trap:
A. Sink trap
B. water closet trap
C. Building house trap
D. Drinking fountain trap.
```
C. Building house trap.
42
```
43. The one that can not discharge into a receiving tank is not airtight and vented is:
A. Area drains
B. Floor drains
C. Drinking fountains
D. Machinery drips.
```
C. Drinking fountains.
43
44. All abandoned building sewers shall be securely sealed at a point:
A. Inside the curb line and as close thereto as practicable.
B. Close to the public sewer.
C. Within 5 ft. of the building wall.
D. At the beginning of the building (house) sewer.
A. Inside the curb line and as close thereto as practicable.
44
45. A sub-building (house) drainage system is of the atmospheric type and receives flow from sanitary fixtures that require the receiving tank to be air tight and vented. With respect to the above system, which one of the following statements is correct:
A. Vents of the sub-building (house) drainage system may be connected to the vents of the gravity drainage system provided such connection is made a minimum of 6" above the flood level rim of the lowest fixture on the gravity system.
B. Receiving tank vent shall not be connected with the sub-building (house) drainage system vents.
C. Receiving tank vent shall be based on the fixture unit value flowing into the receiver
D. Receiving tank vent must be sized to relieve the tank within 10 seconds.
A. Vents of the sub-building (house) drainage system may be connected to the vents of the gravity drainage system provided such connection is made a minimum of 6" above the flood level rim of the lowest fixture on the gravity system.
45
```
46. A waste branch line is run at a slope of 1/4 inches per foot and is sized as 3 inch when connected to a 5 inch soil stack. If the slope of this waste branch is changed to 1/8 inches per foot instead of 1//4 inches per foot, the number of fixture units should:
A. Double
B. Increase, but not doubled
C. Decrease.
D. Same as the original design.
```
D. Same as the original design.
46
48. When a plumber is using a turnpin, he should be:
A. Removing kinks from a lead bend
B. Cleaning a lead joint for wiping
C. Straightening out a piece of lead pipe
D. Flaring the end of a lead pipe.
D. Flaring the end of a lead pipe.
47
```
49. A water meter measures and registers water consumption in:
A. Gallons per minute
B. Cubic feet per hour
C. Quarts per second
D. Cubic feet.
```
D. Cubic feet.
48
50, The purpose of an air water hammer arrestor or air chambers in a water line is to:
A. Allow for expansion of water
B. Increase water pressure in the riser
C. Reduce water hammer in the system
D. Decrease velocity of the flow of water.
C. Reduce water hammer in the system.
49
```
51. The part that is connected to a ballcock that insures a full trap seal is the:
A. Float ball
B. Upper lift rod
C. Hush tube
D. Refill tube.
```
D. Refill tube.
50
```
52. Proper protection against excessive pressure within a hot water tank is provided by installing a:
A. Pressure relief valve
B. Check valve
C. Flow valve
D. Gate valve.
```
A. Pressure relief valve.
51
```
53. A one-sixteenth bend is equivalent to a fitting having an angle of:
A. 22-1/2 degrees
B. 30 degrees
C. 45 degrees
D. 60 degrees.
```
A. 22-1/2 degrees.
52
```
54. A 3-inch standard weight water pipe and a 3-inch heavy water pipe have the same:
A. I.D.
B. O.D.
C. Wall thickness.
D. Weight per foot.
```
B. O.D.
53
55. Of the following materia.s, the one that is not used in a ductile iron water pipe joint is:
A. Mechanical
B. Push-on joints with field-lock gaskets
C. In accordance with DDS specifications
D. caulled lead with approved oakum.
D. caulled lead with approved oakum.
54
```
56. The reason a cast iron hub is hit before joining the hub with spigot is to determine its:
A. Soundness.
B. Weight.
C. Wall thickness.
D. Material content.
```
A. Soundness..
55
```
57. The inside diameter of a 4 inch caulking ferrule is:
A. 3-7/8"
B. 4"
C. 4-1/8"
D. 4-1/4".
```
D. 4-1/4".
56
```
58. Cast brass floor flanges used for W.C. should have a minimum thickness:
A. 1/2"
B. 3/8"
C. 1/4"
D. 1/8".
```
D. 1/8".
57
```
59. The trap of water closet is located :
A. In the water closet.
B. Under the water closet.
C. In the lead bend.
D. In the soil stack,
```
A. In the water closet.
58
60. Of the following, a reason why a plumber should install a check valve is to:
A. Relieve pressure in a storage tank.
B. Prevent a backflow of sewer gases
C. Allow the flow of water in one direction only.
D. Reduce the volume of water in an appliance.
C. Allow the flow of water in one direction only.
59
61. As used by a plumber, a leader is:
A. A drainage pipe for conveying storm water from roof or gutter drains to an approved means of disposal.
B. A pipe inside the building that conveys storm water from the roof to a storm or combined building drain
C. A covered tank for storing rain water to be utilized for the purposes other than in the potable water supply
D. A building drain that conveys storm water or other drainage, but not sewage.
A. A drainage pipe for conveying storm water from roof or gutter drains to an approved means of disposal.
60
```
62. The bib screw in the faucet retains the:
A. Seat.
B. Handle.
C. Washer.
D. Packing nut.
```
C. Washer.
61
```
63. When testing for leaks in gas lines. it is best to use:
A. Water in the line under pressure
B. A lighted candle.
C. An aquastat.
D. Soapy water.
```
D. Soapy water.
62
64. Drain lines receiving the discharge from chemistry laboratory sinks should be made of:
A. Polyvinyl chloride pipe (PVC) plastic
B. Acrylonitrile butadiene styrene (ABC) plastic pipe schedule 80
C. Durion or pyrex
D. Brass or copper.
C. Durion or pyrex.
63
```
65. Of the following, the one that is best to use when testing for leaks in a new gas pipe installation of:
A. Analog gauge.
B. Digital gauge
C. Bourdon gage
D. A, B & C..
```
D. A, B & C.
64
```
66. A plumber should know that installing a globe valve on a cold water line will cut down the:
A. Volume of water
B. Temperature of the water
C. Viscosity of the water
D. Resistance of the water.
```
A. Volume of water.
65
```
67. Of the following tools, the one which is not used when working a wiped joint is:
A. Drift plug.
B. Bending rod.
C. Reamer.
D. Turn pin.
```
C. Reamer.
66
18. The amount of lead to be used to complete a caulked cast iron soil pipe joint should be less than:
A. 10 ounces for each inch diameter of the pipe
B. 12 ounces for each inch diameter of the pipe
C. 14 ounces for each inch diameter of the pipe
D. One full medium-sized ladle regardless of the diameter of the pipe.
B. 12 ounces for each inch diameter of the pipe.
67
```
69. A shave hook is recommended by its manufacturer for:
A. Evening the edges of lead
B. Brightening oxidized copper
C. Removing burrs from non ferrous pipe
D. Removing oxidation from lead.
```
D. Removing oxidation from lead.
68
70. The main purpose of a house trap is to:
A. Provide the house drain with a clean out.
B. Prevent gases from the public sewer from entering the house plumbing system.
C."Trap" articles of value that are lost
D. Eliminate the necessity for traps under add other fixtures.
B. Prevent gases from the public sewer from entering the house plumbing system.
69
```
71. A corporation cock or stop is a:
A. A self closing faucet.
B. Shut off valve for lavatory.
C. Frost-proof type of hydrant.
D. Shut off valve for water service.
```
D. Shut off valve for water service.
70
```
72. A 45-degree offset included in house drain should contain only:
A. One 1/4 bend and one 1/6 bend.
B. One 1/4 bend and one 1/8 bend
C. Two 1/8 bends.
D. Two 1/4 bends.
```
C. Two 1/8 bends.
71
73. A plumber prevent siphonage in a fixture trap if he/she:
A. Vents properly.
B. Installs the correct number of check valves.
C. Installs a relief valve.
D. Provides adequate pitch on the water lines.
A. Vents properly.
72
```
74. A 28 ft. long pipe line, installed with a pitch of 1/4 inch per foot has a total of:
A. 3-1/2 inches.
B. 7 inches.
C. 10-1/2 inches.
D. 14 inches.
```
B. 7 inches.
73
```
75. The length of a pipe measuring 37.875 inches, and to and, is equal to:
A. 3 ft. - 0-7/8 inches.
B. 3 ft. - 1-1/4 inches.
C. 3 ft. - 1-5/8 inches.
D. 3 ft. - 1-7/8 inches.
```
D. 3 ft. - 1-7/8 inches.
74
```
76. A waste stack may receive the discharge from:
A. No water closets.
B. Only one water closet.
C. Two water closets.
D. Three or more water closets?
```
A. No water closets.
75
```
77. Capillary action is used in the correct joining of:
A. Bell and spigot joints.
B. Screw pipe joints.
C. Copper tube solder joints.
D. Solvent cement.
```
C. Copper tube solder joints.
76
```
78. The total length of four pieces of 1-1/2" galvanized steel pipe whose lengths are 7 ft, - 3-1/2 inches, 4 ft, - 2-1/4 inches. 6 ft. - 7 inches and 8 ft. - 5-1/8 inches:
A. 26 ft. - 57/8 inches.
B. 25 ft. - 6-7/8 inches.
C. 25 ft. - 4-1/4 inches.
D. 25 ft. - 3-3/8 inches.
```
A. 26 ft. - 57/8 inches.
77
```
79. To a plumber, the letters I.P.S. means:
A. Internal pipe size.
B. Iron pipe size.
C. Interior pressure standards.
D. International pipe standard.
```
B. Iron pipe size.
78
```
80. Of the following, the tool that should be used on polished pipe surfaces is the:
A. Stillson wrench.
B. Strap wrench.
C. Chain tongs.
D. Crescent wrench.
```
B. Strap wrench.
79
```
81. In plumbing, the abbreviation XHCI is associated with:
A. Water heaters
B. Chemical waste lines
C. Air lines.
D. House drains.
```
D. House drains.
80
```
82. A yarning iron should be used in:
A. Tinning copper fittings.
B. Making lead safes.
C. Making bell and spigot joints.
D. Drying a water-filled trench.
```
C. Making bell and spigot joints.
81
```
83. If a 45-degree offset is 2 inches in length of its diagonal or travel is;
A. 17 inches.
B. 18 inches.
C. 19 inches.
D. 20 inches.
```
A. 17 inches.
82
```
84. "Plumbing soil" is generally used by plumbers as aid in:
A. Wiping lead joints.
B. Making up flange joints.
C. Backfilling a trench.
D. Threading steel pipes.
```
A. Wiping lead joints.
83
```
85. Of the following types of saws, the one that should be used for cutting lead pipe is the:
A. Cross-cut saw.
B. Hack saw.
C. Rip saw.
D. Dove-tail saw.
```
A. Cross-cut saw.
84
```
86. Of the following fixtures, the one that plumbers usually call the "Unit fixture" is:
A. Water closet.
B. Slop sink.
C. Lavatory.
D. Bathtub.
```
C. Lavatory.
85
```
87. The vertical distance between the crown weir and the top of the dip of the trap is called the:
A. Jump-ver.
B. Air gap.
C. Trap seal.
D. Diameter of the trap.
```
C. Trap seal.
86
```
88. Of the following, the composition of general of genera purpose "wiping solder" is:
A. 70% tin and 30% lead.
B. 60% tin and 40% lead.
C. 50% tin and 50% lead.
D. 35% tin and 65% lead.
```
D. 35% tin and 65% lead.
87
```
89. Of the following wrenches, the one which should be used on screwed valves and fittings having hexagonal connections is the:
A. Pipe wrench.
B. Monkey wrench.
C. Chuck wrench.
D. Strap wrench.
```
B. Monkey wrench.
88
```
90. A cast iron coupling that has one end threaded for screw pipe and the other end hubbed to receive the spigot end of a pipe is known as:
A. Sisson fitting.
B. Tucker fitting.
C. Union.
D. F & W fitting.
```
B. Tucker fitting.
89
```
91. The size of fresh air inlet or relief vent is based on the sizes of the associated:
A. House drain.
B. Public sewer.
C. House sewer.
D. Soil stack.
```
A. House drain.
90
```
92. The tool holds the dies when dies when the pipe is being threaded is called a:
A. Yoke.
B. Vise.
C. Stock.
D. Swedge.
```
C. Stock.
91
```
93. A gallon of water weighs:
A. 6.25 lbs.
B. 7.5 lbs.
C. 8.33 lbs.
D. 14.7 lbs.
```
C. 8.33 lbs.
92
94. A solder nipple is mainly used in plumbing work to:
A. Clean clogged pipes.
B. Connect the handle of a soldering iron to the copper.
C. Make up a joint between lead pipe and brass pipe.
D. Maintain an even flow of solder.
C. Make up a joint between lead pipe and brass pipe.
93
```
95. Where ssteel hangers are used to support copper tubing, the pipe should be insulated from the hangers to prevent:
A. Water hammer.
B. Vibration.
C. cooling.
D. Electrolysis.
```
D. Electrolysis.
94
```
96. Copper tubing having the greatest wall thickness is known as:
A. D.W.V. type copper tubing.
B. Type M copper tubing.
C. Type L copper tubing.
D. Type K copper tubing.
```
D. Type K copper tubing.
95
```
97. Of the following methods, the best one to use in making up a pipe joint between lead pipe and copper pipe is:
A. Brazing.
B. Soldering.
C. Burning.
D. Wiping.
```
D. Wiping.
96
```
98. To break in or condition a new approved joint runner, the runner should be soaked in:
A. Alcohol.
B. Rosin.
C. Oil.
D. Water.
```
C. Oil.
97
```
99. The weight of a 4 ft. x 4 ft. shower pan made of 6 pound sheet lead is most nearly:
A. 96 pounds.
B. 75 pounds.
C. 69 pounds.
D. 29.25 pounds.
```
A. 96 pounds.
98
```
100, The approved method of making a branch connection to an existing horizontal X.H.C.I. waste line is by using a:
A. Sisson fitting.
B. Kaeffer fitting.
C. Saddle.
D. Three-piece connection.
```
D. Three-piece connection.
99
```
101. Siphon action through the fill pipe in a flush tank is prevented by installing a:
A. Stop and waste valve.
B. Vacuum breaker.
C. Flushometer.
D. Back water valve.
```
B. Vacuum breaker.
100
```
102. Sperm candle or tallow is applied to clean lead work lead work in order to prevent:
A. Pitting.
B. Oxidation.
C. Tinning.
D. Melting.
```
B. Oxidation.
101
```
102. A Hydroneumatic tank in a plumbing system is mainly used to:
A. Pump storm water to the sewer.
B. Provide potable water under pressure.
C. Supply compressed air to equipment.
D. Filter water for a swimming pool.
```
B. Provide potable water under pressure.
102
```
104. Joints for cast iron bell and spigot soil pipe should be made with:
A. Wiped solder.
B. Packed oakum and molten lead.
C. Oakum and asphaltic compound.
D. Oakum and cement mortar.
```
B. Packed oakum and molten lead.
103
```
105. A tee whose branch is larger than its run is correctly referred to as a:
A. Bullheaded tee.
B. Lateral tee.
C. Street tee.
D. Reducing tee.
```
A. Bullheaded tee.
104
106. A house drain which is buried in earth should not be made of:
A. Copper or copper alloy tubing (type K or L).
B. Ductile iron or stainless steel drainage systems, type 316L.
C. Non-asbestos fiber cement pipe or cast iron pipe.
D. Polyethylene (corrugated 8 inches and larger)f.
D. Polyethylene (corrugated 8 inches and larger)f.
105
107. A compression type fitting is most likely never permitted in use with:
A. Cast iron Hub and spigot pipe and fittings.
B. Joints between different piping materials shall be made with a mechanical joint of the compression or mechanical-sealing type .
C. Joints between plastic pipe and cast-iron hub pipe shall be made by a caulked joint or a mechanical compression joint.
D. Joint between lead pipe and other piping material shall be made by a wiped joint to a caulking ferrule, soldering nipple, or bushing or shall be made with an approved compression fitting.
D. Joint between lead pipe and other piping material shall be made by a wiped joint to a caulking ferrule, soldering nipple, or bushing or shall be made with an approved compression fitting.
106
```
108. Safety goggles should be worn (at all times) when cutting:
A. Galvanized pipe.
B. Oakum.
C. Cast-iron.
D. Sheet lead.
```
A. Galvanized pipe.
107
```
109. A [lumber should not plunge a wet ladle into a pot of molten caulking lead because it:
A. Contaminates the lead.
B. May crack the pot.
C. May crack the ladle.
D. Makes the lead spatter.
```
D. Makes the lead spatter.
108
```
110. A plumber's helper (apprentice), who is one who is:
A. Negligent.
B. Untrained.
C. Neat.
D. Methodical.
```
A. Negligent.
109
```
61. A correctly installed gasket provides a seal in a:
A. Flange union.
B. Ground joint union.
C. Roof flange.
D. Left-right coupling.
```
A. Flange union.
110
```
62. A plumber installing a battery of sink in the school cafeteria should also include in the waste line:
A. A chlorinator.
B. An anti-siphon loop,
C. A grease trap or interceptor.
D. A check valve.
```
C. A grease trap or interceptor.
111
113. If a faucet continues to drip despite the new washer a plumber has installed, he should then:
A. reface or replace the seat.
B. Replace the entire faucet.
C. Install a washer made of different material.
D. Replace the bib screw.
A. reface or replace the seat.
112
```
114. Of the following tools; the one used to fasten faucets to lavatories is called:
A. A pair of pump pliers.
B. A spud wrench.
C. An open end wrench.
D. A basin wrench.
```
D. A basin wrench.
113
```
115. A cast-iron floor flange should be used when installing a:
A. Water closet.
B. Bathtub.
C. Kitchen sink.
D. Drinking fountain.
```
A. Water closet.
114
```
116. A plumbers' rasp is a tool recommended by its manufacturer for use on:
A. Cast iron.
B. Brass.
C. Lead.
D. Black steel.
```
C. Lead.
115
```
117. Of the following, the pipe size not common to the plumbing trade is:
A. 2 inch,
B. 2-1/2 inch,
C. 3 inch,
D. 3-1/2 inch.
```
D. 3-1/2 inch.
116
118. Once a flushometer valve is in operation, it is made to close automatically by:
A. The return of the lever handle to the neutral position.
B. The action of a flat helical spring above the diaphragm.
C. The water pressure on the inlet side of the valve.
D. The elasticity of a stainless steel diaphragm.
C. The water pressure on the inlet side of the valve.
117
```
119. An outside caulking iron is a tool recommended by its manufacturer for use on:
A. Steel pipe.
B. Cast iron.
C. Lead pipe.
D. Brass pipe.
```
B. Cast iron.
118
```
120. A swimming pool is e5 feet wide by 75 feet long and has an average depth of 5 feet. The capacity when filled to the overflow is most nearly:
A. 9,375 gallons.
B. 65,625 gallons.
C. 69,005 gallons.
D. 70,312 gallons..
```
D. 70,312 gallons.
119
```
121. A means for disconnecting an electric hot water supply system from its energy supply shall be provided in accordance with:
A. N.Y.C. building department rules.
B. N.Y.C. electric code.
C. N.Y.C.electric code.
D. National electric code.
```
B. N.Y.C. electric code.
120
122. For other than electric fired hot water supply systems, all other systems shall have a separate:
A. Valve to shut off the energy fuel supply.
B. Check valve to shut off the energy fuel supply.
C. Flow check valve to shut off the energy fuel supply.
D. O S & Y valve to shut off the energy fuel supply.
A. Valve to shut off the energy fuel supply.
121
123. All storage water heaters operating above atmospheric pressure shall be provided with an approved:
A. Self-closing (levered) pressure relief valve.
B. Temperature relief valve.
C. Combination temperature and pressure relief valve.
D. A. B & C.
D. A. B & C.
122
124. All storage water heaters operating above atmospheric pressure 14.7 psi shall have relief valves conforming to ANSI Z21.22. The relief valve shall not be used:
A. As a means of controlling thermal expansion.
B. To relieve pressure above those approved.
C. To relieve temperatures above those approved.
D. B & C.
A. As a means of controlling thermal expansion.
123
125. All temperature pressure relief valves or combination therefore shall be:
A. Installed in the piping serving the storage water heater tanks.
B. So installed in the shell of the water heater.
C. Located on the house side of all control valves.
D. Installed bellow the drain valve.
B. So installed in the shell of the water heater.
124
```
126. Temperature relief valves shall be so located in the tank as to be actuated by the water in the top:
A. 2" of the tank served.
B. 4" of the tank served.
C. 6" of the tank served.
D. 8" of the tank served.
```
C. 6" of the tank served.
125
127. The outlet of a pressure, pressure or other relief valve:
A. Shall be directly connected to the drainage system.
B. Shall not be directly connected to the drainage system.
C. Shall be connected on the house side or inlet side of a floor drain.
D. May connect to a wye fitting on a fixture side of its trap.
B. Shall not be directly connected to the drainage system.
126
128. Temperature, pressure or other relief valve shall:
A. Be a minimum of 1/2 inch.
B. Discharge full size to a safe place of disposal, such as the floor.
C. Discharge outside the building or discharge to an indirect waste receptor.
D. B & C.
D. B & C.
127
129. The discharge pipe of a relief valve for a hot water heater or storage tank shall:
A. Not have any trapped section.
B. Have an invisible air gap.
C. Have an air gap fitting located outside the room of the water heater.
D. Have the outlet end of the discharge pipe threaded.
A. Not have any trapped section.
128
130. Relief valve piping shall be piped independent of other equipment drains or relief valve discharge piping to the disposal point. Such pipe shall be installed in a manner that:
A. Can cause personal injury to occupants in the immediate area.
B. Can cause structural damage the building.
C. Does not cause personal injury to occupants in the immediate area.
D. A & B.
C. Does not cause personal injury to occupants in the immediate area.
129
```
131. Relief valve discharge piping shall be of those materials listed in Section 605.5, or shall be tested, rated and approved for such use in accordance with ASME A122.4.1. The material not listed:
A. Cast-iron pipe.
B. Steel pipe.
C. Copper or copper alloy pipe.
D. Plastic pipe.
```
D. Plastic pipe.
130
```
132. Piping from safety pan drains shall be of those materials listed in table 605.4, the material not listed:
A. Cadt-iron.
B. Plastic pipe.
C. Steel pipe.
D. A, B & C.
```
D. A, B & C.
131
```
133. Where water heaters or hot water storage tanks are installed in locations where leakage of the tanks or connection will cost the damage, the tank tank or water heater shall be installed in galvanized steel pan having a minimum thickness of ... gauge, or other pans approved for such use.
A. 24.
B. 22.
C. 18.
D. 17.
```
A. 24.
132
```
134. The pan used where water heater or hot water storage tanks shall not be less than ... deep and shall be of sufficient size and shape to receive all dripping or condensate from the tank or water heater.The pan shall drain by an ... waste pipe having a minimum diameter of...:
A. 1.25 inches, indirect,, 3/4inch.
B. 1.50 inches, indirect,, 3/4inch.
C. 2.00 inches, indirect,, 3/4inch.
D. 2.5 inches, indirect,, 3/4inch.
```
B. 1.50 inches, indirect,, 3/4inch.
133
135. The pan drain termination used for water heaters or hot water storage tanks, the pan drain shall extend full-size and terminate:
A. Directly to a waste fixture properly vented.
B. Over a suitably located indirect waste receptor.
C. Over suitably located floor drain.
D. B & C.
D. B & C.
134
136. The pan drain termination used for water heaters or hot water storage tanks, the pan drain shall extend full-size and terminate not more:
A. Less than 6 inches above the adjacent ground.
B. More than 24 inches above the adjacent ground.
C. Less than 3/4 inch in pipe size.
D. A, B & C.
D. A, B & C.
135
```
137. On copper fin tube, gas fired domestic hot water heaters, to interrupt the gas supply to the jeater in the event water flow through the coil is interrupted:
A. Check valve shall be installed.
B. Flow switch shall be provided.
C. Gate valve shall be installed.
D. Globe valve shall be installed.
```
B. Flow switch shall be provided.
136
```
138. Unfired hot water storage tank shall be:
A. Insulated.
B. Installed in an unheated room.
C. May be installed on the roof.
D. Ventilated.
```
A. Insulated.
137
```
139. Unfired hot water storage tanks when insulated shall use a heat loss rating limited to a maximum of ... British thermal units per hour per hour per square foot of external tank:
A. 10.
B. 15.
C. 20.
D. 25.
```
B. 15.
138
```
140. For purposes of determining heat loss for unfired vessel insulated, the design ambient temperature shall not be higher than:
A. 65*F.
B. 68*F.
C. 70*F.
D. 72*F.
```
A. 65*F.
139
141. Existing metallic water piping used for electric grounding:
A. Shall not be replaced with nonmetallic pipe or tubing until other approved method of grounding is provided.
B. Shall be replaced with non metallic pipe.
C. Shall be replaced with non metallic pipe or tubing.
D. Does not have to be re-grounded when nonmetallic pipe is installed.
A. Shall not be replaced with nonmetallic pipe or tubing until other approved method of grounding is provided.
140
142. Water supply infrastructure to the building shall be applied for and regulated by the :
A. Dept. of buildings (DOB).
B. Dept. of Environmental Protection (DEP).
C. Fire Dept. (FD).
D. Dept. of Health (DOH).
B. Dept. of Environmental Protection (DEP).
141
```
143. Dependent on geological and soil conditions and the amount of rainfall, individual water supplies are of the following types:
A. Drilled well or driven well.
B. Dug well or bore well.
C. Cistern.
D. A, B & C.
```
D. A, B & C.
142
```
144. The pump room or enclosure around a well pump shall be drained and protected from freezing by heating or other approved means. Where pumps are installed in basements, such pumps shall be mounted on a block or shelf not less than:
A. 6".
B. 12".
C. 18".
D. 24".
```
C. 18".
143
```
145, The minimum water service pipe shall be sized to supply water to the structure in quantities and at the pressures required in this code. The minimum diameter of water service pipe shall be:
!. 1/2".
2. 3/4".
3. 1".
4. 1-1/4".
```
3. 1".
144
146. Water service pipe and building sewer shall be separated by ... of undisturbed or compacted earth:
1. 5'.
2. 10'.
3. 15'.
4. 20'.
1. 5'.
145
```
147. Potable service water pipes shall not be located in, under or above cesspools, septic tanks, septic tank drainage fields or seepage pits and shall be separated by a minimum:
A. 5'.
B. 10'.
C. 15'.
D. 20'.
```
B. 10'.
146
```
148. The design of the water distribution system shall conform to accepted:
A. Plumbing practice.
B. Specification rules.
C. Engineering practice.
D. Field practice.
```
C. Engineering practice.
147
149. At points of interconnections between hot and cold water supply piping systems and individual fixtures, appliances or devices, provisions shall be made to:
A. Cover the cold water pipes.
B. Cover the hot water pipes.
C. Install the check valves.
D. Prevent flow between such piping systems.
D. Prevent flow between such piping systems.
148
```
150. The water distribution system shall be designed, and pipe sizes shall be selected such that under condition of:
A. Peak demand.
B. Least demand.
C. Average demand.
D. Low demand.
```
A. Peak demand.
149
```
151, Water distribution system design criteria required capacity at fixture supply pipes outlets the minimum flow rate for a bidet or lavatory:
A. 2 GPM.
B. 3 GPM.
C. 4 GPM.
D. 5 GPM.
```
A. 2 GPM.
150
```
152. Water distribution system design criteria required capacity at fixture supply pipe outlets the minimum flow rate for a shower, temperature controlled shower, service sink or close coupled water closet with tank:
A. 2 GPM.
B. 3 GPM.
C. 4 GPM.
D. 5 GPM.
```
B. 3 GPM.
151
```
153. Water distribution system design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a bathtub, combination fixture and laundry:
A. 2 GPM.
B. 3 GPM.
C. 4 GPM.
D. 5 GPM.
```
C. 4 GPM.
152
```
154. Water distribution system design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a hose bibb sill cock:
A. 2 GPM.
B. 3 GPM.
C. 4 GPM.
D. 5 GPM.
```
D. 5 GPM.
153
```
155. Water distribution system design criteria capacity at fixture supply pipe outlets the minimum flow rate for a water closet, tank, close coupled:
A. 3 GPM.
B. 15 GPM.
C. 35 GPM.
D. 25 GPM.
```
A. 3 GPM.
154
```
156. Water distribution design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a flushometer valve:
A. 6 GPM.
B. 15 GPM.
C. 35 GPM.
D. 25 GPM.
```
D. 25 GPM.
155
```
157. Water distribution design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a flushometer valve blowout water closet:
A. 6 GPM.
B. 15 GPM.
C. 25 GPM.
D. 35 GPM.
```
D. 35 GPM.
156
```
158. Water distribution design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a valve urinal:
A. 6 GPM.
B. 15 GPM.
C. 35 GPM.
D. 25 GPM.
```
B. 15 GPM.
157
```
159. Water distribution design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a residential sink:
A. 2.5 GPM.
B. 2.75 GPM.
C. 0.75 GPM.
D. 1.6 GPM.
```
A. 2.5 GPM.
158
```
160. Water distribution design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a residential dishwasher:
A. 2.5 G{PM.
B. 2.75 G{PM.
C. 0.75 G{PM.
D. 1.6 G{PM.
```
B. 2.75 G{PM.
159
```
161. Water distribution system design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a drinking fountain:
A. 2.5 GPM.
B. 2.75 GPM.
C. 0.75 GPM.
D. 1.6 GPM.
```
C. 0.75 GPM.
160
```
162. Water distribution system design criteria require capacity at fixture supply pipe outlets the minimum flow rate for a flushometer tank water closet:
A. 2.5 GPM.
B. 2.75 GPM.
C. 0.75 GPM.
D. 1.6 GPM.
```
D. 1.6 GPM.
161
```
163. Metric units of measurement are in accordance with the modernized metric system known as International system of Units (SI), one gallon per minute is equal to:
A. 3.785 L/M.
B. 6.895 kPa.
C. 25.4 mm.
D. 1 Bar.
```
A. 3.785 L/M.
162
```
164. A hand held shower spray is a:
A. Lavatory outlet.
B. Bathtub.outlet.
C. Shower head.
D. Sink outlet.
```
C. Shower head.
163
```
165. The minimum flow pressure for bathtub, combination fixture, residential dishwasher, drinking fountain, laundry tray. lavatory, shower, hose bibb sillcock, residential sink, service sink and close coupled tank water closet:
A. 4 psi.
B. 8 psi.
C. 15 psi.
D. 20 psi.
```
B. 8 psi.
164
```
166. The minimum size of fixture supply pipe shall be as shown in Table 604.5. The fixture supply pipe shall not terminate more than ... from the point of connection to the fixture:
A. 24 inches.
B. 18 inches.
C. 12 inches.
D. 6 inches.
```
A. 24 inches.
165
```
167. Each fixture supply shall have a:
A. Check valve.
B. Air gap.
C. Stop.valve.
D. Air break.
```
C. Stop.valve.
166
168. Between the supply pipe and the fixture, an approved type:
A. Reduced-sized flexible water connector may to be installed.
B. Coupling shall be installed.
C. Compression coupling shall be installed.
D. Packing valve shall be installed.
A. Reduced-sized flexible water connector may to be installed.
167
169. The minimum size of individual distribution lines utilized in parallel water distribution system shall be 1/2 inch for:
A. Bathtub 60±x32"and larger. single shower head.
B. Combination sink and tray and domestic dishwashers.
C. Hose bibs, kitchen sink. laundry 1,2 or 3 compartments.
D. A, B & C.
D. A, B & C.
168
```
170. Maximum flow rate and consumption for a private lavatory and its fixture fitting:
A. 2.2 GPPM at 60 PSI.
B. 0.25 gallon per metering cycle.
C. 0.5 GPM at 60 PSI.
D. .25 gallon per metering cycle.
```
A. 2.2 GPPM at 60 PSI.
169
171. On figure 7 connect hot and cold water supply piping to above system.
Show hot water circulation piping.
Show all valves. faucets, etc.
Use figure,7A.
170
172. Size house drain, stacks and leaders on figure 8.
Use figure 8A for LL99/2005 and 8B for LL 76/68.
171
173. What are payroll deductions?
1. Social Security (F.I.C.A.).
2. Federal Income taxes.
3. State Income taxes.
4. City Income Taxes.
5. Temporary Disability Insurance.
6. Pension.
7. Health insurance.
8. Welfare Insurance or Supplementary Unemployment Insurance.
9. Union Dues.
172
174. What is Social Security (F.I.C.A.)?
A federal system of old age, unemployment, or disability insurance for various categories of employed and dependent persons finance by a fund maintained jointly by employees, employers, and the government.
173
175. What are Federal Income Taxes?
A compulsory payment of a percentage of payed to the federal government, for the support of state government.
174
176. What is State Income Tax?
A compulsory payment of a percentage of income payed to the state government, for the support of state government.
175
177. What are City Income Taxes?
A compulsory payment of a percentage of income pay to the city government for the support of a city government.
176
178. What is Temporary Disability Insurance?
A momentary payment made by the insured for personal disability occurring while working for the insured employer.
177
179. What is pension?
A payment, not wages, made ragularly to a person (or to his family) who has fulfilled certain conditions of service, reached a certain age and worked a certain amount of years, etc, - voluntary.
178
180. What is Health Insurance?
The insurer guarantees the insured that a certain sum of money and /or service will be paid for - voluntary.
179
181. What is Welfare Insurance or Supplementary Unemployment Insurance?
Aid given, or benefits made available by a union or an employer.
180
182. What is Union Dues?
A sum of money paid, or to be paid, by a member to an organization for the right of membership and to earn certain rights.
181
183. What are payroll insurances?
1. Workman's Compensation.
| 2. Unemployment Insurance (F.U.T.A.).
182
184. What are business taxes?
1. Sales Taxes.
2. Federal, State and City Income Taxes.
3. Licenses.
4. Permits.
183
185. What are business insurances?
1. Liability.
2. Fire.
3. Loss of Income.
4. Water damage.
5. Comprehensive General Liability.
6. Partnership-Life Insurance.
7. Plate Glass Insurance.
8. Automotive and Truck Liability.
9. Robbery and Burglary.
184
186. What is Gross Business Activity?
T'he total amount of gross business done before expenses are deducted, or total gross sales in any given period of time.
185
187. What is an Capitol Gains?
An investment of an asset, due to such causes as wear and tear which is a system of accounting which aims to distribute the cost of tangible assets over the estimated useful life of the assets.
186
```
188. What is yearly depreciation of
Rigid Pipe Threading Machine that has
Cost S1,200.00
Estimated Life 10 years
Trade in value after : S300.00?
```
Yearly Depreciation: (S1,200.00-S300.00)/10=S90.00
187
189. What is overhead?
The sum of all monies spent that cannot be directly attributed to the cost of any one job, such as a typewiter.
188
190. Assume that you are a partner in a plumbing business. What insurance policies should you carry in order to adequately protect your business?
1. Liability.
2. Fire.
3. Theft.
4. Loss of income.
5. Water Damage.
6. Comprehensive General Liability.
7. Partnership-Life Insurance.
8. Plate Glass Window.
9. Automobile & Truck Liability.
10. Robbery & Burglary.
189
```
191. A plumber estimated a job...
Cost of material was $r1,400,00
Cost of labor was 750.00
Overhead was 17%
Profit was 10%.
What was the selling price of the job?
```
1,400.00+750.00=2,150.00
2,150.00x1.17=2,515.50
2,515.50x1.10=2,767.05
Selling Price of job is $2,767.05.
190
192. You have estimated the sale and installation of several gas ranges. The gas ranges list at $125.00. The cost of labor and material for each gas range installation is $10.00 and overhead is 15%. The gas range discount was 30-20-20 and the profit desired is 20%. Show your computation.
```
(100-30)/100=.70
(100-20)/100=.80
125,00x.70x.80x.80=56.00
Cost of range after discount is $56.00
56.00x1.20=67.20
67.20+10.00=77.20
77.20x1.15=88.78
The sale and installation of gas ranges is $88.78per range.
```
Plumbing
flashcards
Decks in class (23)
# Cards
-
Session 6,171
-
Math2. Two Formula.14
-
OSHA.103
-
OSHA: Commercial Scaffolds.52
-
Union Math Short Cut.29
-
Electrical Safety.65
-
Many Cours master plumber test.25
-
Emanuel Civil Service Cours.147
-
Formulas And Euivalents Troise.32
-
General Plumbing By E. Troise.66
-
Session 3.175
-
Session 4.150
-
Session 5.175
-
Test 1979.150
-
Session 7.191
-
Session 8.179
-
Session 9.201
-
Session 10.207
-
Session 11.250
-
Session 12.218
-
Session 13.150
-
Vocabulary1
-
Building Water Supply.1253
