U1 UST Installation & Retrofitting Exam Study Guide Questions and Correct Answers

U1 UST Installation & Retrofitting Exam
Study Guide Questions and Correct Answers
Question 1
During construction the tank should not be used to support


A. Cribbing
B. Bracing
C. Blocking
D. All of the above
Answer D



Question 2
All methods of anchoring tanks used the weight of the back-fill and paving on top of
the tank to offset ____________ forces.
Correct Answer
buoyancy



Question 3
If water ballast is used to sink a tank in a wet hole, the level of ballast in the tank
should not _____________ the level of water in the hole.
Correct Answer
A. Meet
B. Exceed
C. Fall short of
D. Be inferior of
Answer B




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,Question 4
Written Plans are required to
Correct Answer
obtain permits, solicit bids, and provide precise guidance for installers.



Question 5
In all cases, the set-points for overfill "alerts, " such as alarms or vent-restricting
devices, should not exceed 90% of capacity and the set-points for product delivery
shutdown through flapper-valve-type devices should not exceed ____%.

Correct Answer
95%



Question 6
A primary method of restraining tanks in areas subject to flooding is to ___________ the
burial depth
Correct Answer
A. level
B. Increase
C. Decrease
D. Diminish
Anser b



Question 7
To avoid damaging the interstitial space between tank walls from over-pressurization,
avoid pressurizing the inner tank to a maximum of______ psig
Correct Answer
5 psig



Question 8
True of False: Over pressurization could be a result of temperature changes
Correct Answer
True




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,Question 9
When two lifting lugs are being used, the angle between the lifting cable and vertical
should be no more than
Correct Answer
30 degrees.



Question 10
Vent restriction devices will not work as ______________ ______________ measures when
coaxial Stage I Vapor recovery is used.

Correct Answer
A. Backup safety
B. Overfill-prevention
C. Spill containment
D. None of the above
Answer B



Question 11
Secure the straps to anchor points with
Correct Answer
A. Anchor bolts
B. Turnbuckles
C. Wire cables
D. All of the above
Answer D



Question 12
What are the standard back fill materials for a fiberglass tank.

Correct Answer
A. pea gravel and crushed rock
B. pea gravel and dirt
C. pea gravel and water
D. sawdust and pea gravel
Answer A




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, Question 13
Pay attention to ___________ ____________ and trenching requirements.
Correct Answer
A. Horizontal radius
B. Vertical radius
C. Congruent radius
D. Bend radius
Answer D



Question 14
Maximum burial depth, measured from the top of the tank, are established by tank
__________ and ________________
Correct Answer
A. Manufacturers and the installers
B. Independent testing laboratories
C. Installers and independent testing labs
D. Installers and the tank owner
E. Manufacturers
F. Both B and E
Answer F



Question 15
To provide a firm foundation for the tank, set the tank on a bed of ___________ material
one foot thick that extends one foot beyond the ends and sides of the tank.
Correct Answer
backfill



Question 16
Three types of overfill- prevention devices are commonly used.
Correct Answer
A. alarms, flow shut-off devices, and vent-restriction devices
B. flow shut-off devices, alarms, vent- restriction devices
C. vent restriction devices, flow shut-off devices, alarms
D. All of the above




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