Test Book 4

Question 1

Which of the following is not a method for designing asphalt mixes?

Answer 1

Spencer method

-Marshall method
-Hveem method
-Hubbard - field method

Question 2

To determine the type of undisturbed substrate underlaying soil, the most reliable method is:

Answer 2

Test pits

Question 3

In grading for a curb, what is this “ 2 TBC C-1.00” grade setter means?

Answer 3

2 feet from top back of curb cut 1 foot.

Question 4

The most common structural steel welding process is:

Answer 4

Metal - ARC Welding

Question 5

Normal conceret must reach what strength in 28 days?

Answer 5

2000 psi

Question 6

On what type of surface should you not use latex paint?

Answer 6

Smooth gypsum

• PVA ( polyvinyl acetate) is recommended for drywall because it does not raise the nap.

Question 7

What is the advantage of using armor cable over nonmetallic cable?

Answer 7

Resists breakage by mechanical causes

Question 8

What happens when water is added to dry soil which is. Then compacted?

Answer 8

Soil becomes denser until optimum density is achieved

Question 9

What is the name of the formula that relates the pressure distribution between a foundation and the underlying soil?

Answer 9

Boussinesq

Question 10

Which tractor is used for finish grading?

Answer 10

Motor grader

Question 11

What would be associated with low shrinkage concrete?

Answer 11

Granite aggregate

Question 12

What is a Roadway crown?

Answer 12

Area between the center line of a road and the curb or shoulder that runs parallel to the.

Question 13

What degree of bend is not allowed in a horizontal bar with a hook in a beam?

Answer 13

60 degrees

Question 14

What is an advantage of steel over wood?

Answer 14

Nominal shrinkage

Question 15

A steep near vertical slope along the margin of a landslide is called:

Answer 15

Scarp

Question 16

Which of the following is related to the spread of- footing concept?

Answer 16

Continuous footing

Inverted T beam is a type of raft or mat foundation, not a spread footing.

Question 17

Maximum slope of an excavation to construct on a hillside:

Answer 17

2 to 1

Question 18

When working with a transit to find elevation you take the height of the instrument and :

Answer 18

Subtract
- Subtract the foresight: the sighting level of the road. This gives the elevation.

Question 19

In construction of concrete. T- beams, the width of slab effective as a T beam flange may not exceed — the span length of the beam.

Answer 19

1/4

Question 20

Correct moment within any structure?

Answer 20

Equal and opposite

Question 21

3/4 feet is what percent of 3 feet?

Answer 21

25%

3/4=0.75
0.75/3=0.25
0.25 x 100=25 %

Question 22

Which test would indicate the presence of harmful vegetable matter?

Answer 22

Colorimetric test

Question 23

The ball penetration test is used to determine:

Answer 23

The consistency of concrete

• The ball penetration test is sometimes called the “ Kellyball” test. It is used in addition to or in place of the slump test.

Question 24

When finish grade what is the allowable tolerance?

Answer 24

0.08 feet

Question 25

If the surface of asphalt is too shiny, what is the problem?

Answer 25

Too much oil

Question 26

When asphalt is too cool, what door look like?

Answer 26

Stiff appearance

Question 27

The standard for highway safety as it relates to flaggers signals come from the California:

Answer 27

Department of Transportation

Question 28

If trench walls are too loose or soft for shoring, the walls must be sloped a minimum of:

Answer 28

3/4 : 1 In order world for every foot the trench rises vertically the backhoe must move 3/4 feet horizontal

Question 29

Bucket line trenchers

Answer 29

Can get closer to pipe

Question 30

Flagger should stand within — of the work area with a(n) — flag.

Answer 30

100 ft----- 18 inch

Question 31

Type "A" warning lights are:

Answer 31

Low intensity -Are low intensity flashing warning lights

Question 32

Type " B" warning lights are:

Answer 32

High intensity - high intensity flashing warning lights.

Question 33

Type C light

Answer 33

-Steady burn lights

Question 34

If the surface of asphalt has a dull appearance,what is indicated?

Answer 34

Needs more oil

Question 35

What is it called when rocks in an aggregate base have come to the top with no fines to bind them?

Answer 35

Bony grade -The Rick are called "bones" the base is called bony grade.

Question 36

Existing concrete must be removed to a depth of — beneath finish grade.

Answer 36

3 feet

Question 37

When breaking up concrete for use in fill, what is the maximum dimensions allowed for any piece?

Answer 37

6 "

Question 38

When paving a cut-de-sac you make the first pass at the outside edge and the second pass?

Answer 38

Second pass should overlap slightly with the first pass

Question 39

A road grade falls 10 feet over a horizontal distance of 20 feet. What is the slope?

Answer 39

2:1 20 : 10 2/1 feet =2:1

Question 40

When you are paving an asphalt road in one pass, how should you proceed?

Answer 40

Start rolling on low side and progress toward high side.

Question 41

A builders transit usually does not have a :

Answer 41

Compass

Question 42

If crew hits a utility line while dragging what should be done?

Answer 42

Clear area, keep distance be mindful of substances, contact utility affected, notify supervisor

Question 43

The best saw to use when cutting with the grain is a:

Answer 43

Ripsaw

Question 44

How long after unloading materials can you leave them in the street, road or highway?

Answer 44

5 days

Question 45

If you driving nails and find they have a tendency to split the boards, what alternative type of nail might you use to prevent the splitting?

Answer 45

Either sinker or box

Question 46

What is typically done to the sub base in asphalt concrete paving work?

Answer 46

It is compacted

Question 47

When fine grading is required the grading engineer:

Answer 47

Replaces the lath with hubs

Question 48

The safe distance requirement from overhead electrical lines energized between 600 V and 50,000 V is — for boom type lifting and hoisting equipment when not in use.

Answer 48

6 feet

Question 49

Piping used for air conditioning unit

Answer 49

Copper

Question 50

In surveying a stake marked with an arrow without a circle through the tail, indicated:

Answer 50

Grade has not reached

Question 51

The breakup of the surface of a concrete road in known as:

Answer 51

Spalling

Question 52

Minimum dimension of a wooden mid rail, where a railing is required for a raised floor, ramp or platform?

Answer 52

2" x 4"

Question 53

Where toeboard are required in a construction site, what are the minimum dimensions allowed?

Answer 53

4" high off the platform with no more than 1/4 inch gap

Question 54

If an underground storage tank is to be permanently closed, what material should it be filled with?

Answer 54

Inert solid material - inter solid (inserted) the fill pipe have been sealed or the piping removed it is called, decommissioned

Question 55

What hazardous substance was once applied to wood piers or piles in marine environments but is no longer allowed where exposed to salt water?

Answer 55

Creosote - Creosote may still be used where exposed to earth and fresh water

Question 56

What do you line an old underground storage tank with?

Answer 56

Special coating or bladder - The type of lining material depends on what substance the tank will contain. If the tank is steel the inside must be sand blasted, clean , inspected and certified as suitable for the coating operation

Question 57

Approximately how much does one cubic foot of asphalt road surface weigh?

Answer 57

150 pounds

Question 58

Handrail are required on a ramp that exceeds a slop of:

Answer 58

1:15 (6%)

Question 59

What kind of foundation is appropriate for a clay base?

Answer 59

Piles - A pile foundation bypasses the clay so that instability is less of a problem. The piles ( driven piles or drilled shafts) may rest on or be keyed into,stable soil or rock layers below the clay. Multiple piles connect to a pile cap that interfaces them to a column or wall above. Using piles this way is called an underpinning.