PU Practice test incorrect answers

Question 1

Minimum required depth of filtration media in gravity water filters?

Answer 1

24 inches

Question 2

Surface-derived public water supplies shall originate from what type of area?

Answer 2

Uninhabited wooded areas

Question 3

Minimum distance wells must be located from sanitary sewer?

Answer 3

100 feet

Question 4

Minimum cover depth required for water mains?

Answer 4

2.5 feet

Question 5

What makes a construction contract binding?

Answer 5

Offer
Acceptance
Consideration
Legal purpose
(All must be present)

Question 6

Who determines progress and final payments in a construction contract?

Answer 6

Architect

Question 7

If delivery terms are “FOB freight prepaid,” who pays shipping?

Answer 7

Seller

Question 8

If a contractor license expires December 31 and is not renewed, how long is it legally valid?

Answer 8

60 days

Question 9

Ambient temperature refers to what?

Answer 9

The surrounding external medium

Question 10

Recommended repair for gas pipe dent impacting girth weld or seam?

Answer 10

Install full encirclement steel sleeve (open ends)

Question 11

Pressure relief device outlets must discharge where?

Answer 11

Into the atmosphere without restriction

Question 12

Design pressure for steel gas piping is determined by what?

Answer 12

• Temperature derating factor
• Specified minimum yield strength
• Nominal outside diameter
  (Answer often: “All of these”)

Question 13

Helium-neon lasers are used to maintain what during sewer installation?

Answer 13

Horizontal and vertical alignment

Question 14

Sanitary sewer acceptance testing may include what?

Answer 14

Line and grade verification
Soil density confirmation
Visual inspection
(All may apply)

Question 15

Minimum vertical clearance for support arms above driveways and parking lots?

Answer 15

15 feet

Question 16

Minimum grounding conductor size when no overcurrent protection is installed?

Answer 16

8 AWG copper

Question 17

Minimum conductor size for Grade N open-wire service drop over 750V, 180 ft span?

Answer 17

8 AWG

Question 18

Minimum diameter of a wire-core manila lifeline exposed to abrasion?

Answer 18

1 inch
(OSHA 1926.104(c))

Question 19

Employees may work without specialized anti-laser eye protection if reflected laser exposure is less than:

Answer 19

5 milliwatts
(OSHA 1926.54(c))

Question 20

Masonry walls must be braced or supported once height exceeds:

Answer 20

8 feet
(OSHA 1926.706(b))

Question 21

Lifting inserts in precast concrete (excluding tilt-up) must support at least:

Answer 21

4 times the maximum intended load
(OSHA 1926.704(c))

Question 22

For galvanic protection, anodes must be placed at least how far below tank bottom?

Answer 22

6 inches
(PEI RP200)

Question 23

Who determines if and when continuity testing of fuel dispensing equipment is performed?

Answer 23

Owner of dispensing equipment
(PEI RP400)

Question 24

Before assembling tapered thread (NPT) fittings, what must be verified?

Answer 24

Sealant is listed and compatible
(PEI RP400)

Question 25

Who primarily establishes industry procedures for service station equipment and operations?

Answer 25

Petroleum Equipment Institute (PEI)

Question 26

Maximum bottom slope in areas less than 5 ft deep?

Answer 26

1 ft vertical per 10 ft horizontal (.2516(c))

Question 27

A public swimming pool circulation system must filter entire pool volume at least how many times in 24 hours?

Answer 27

4 times (.2518(b))

Question 28

If the Department does not approve, disapprove, or comment on pool plans within 30 days, the plans are:

Answer 28

Deemed approved

Question 29

An operation permit for a public swimming pool is valid for:

Answer 29

Up to 12 months

Question 30

Who is responsible for inspecting the watershed of an unfiltered public water system?

Answer 30

Person or company supplying the water

Question 31

Water entering the distribution system must maintain a chlorine residual of at least:

Answer 31

0.20 mg/L

Question 32

If a question lists multiple mechanical or code factors that all affect design pressure, the likely correct answer is:

Answer 32

“All of these”

Question 33

If a question asks who has authority in a contract for progress/final payments:

Answer 33

Architect