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U1 UST INSTALLATION/RETROFITTING TEST EXAM WITH100%
COMPLETE SOLUTIONS QUESTIONS ANDCORRECT ANSWERS
(2025 LATESTEXPERT VERIFIED)
• To improve effectiveness of inventory control, manual tank gauging, and statistical
inventory reconciliation, the tank owner should utilize a tank chart and gauge stick calibrated
in inch - ✔✔✔ Correct Answer > A. 1/6th
B. 1/8th
C. 2/3ds
D. 1/7th
Answer B
• Observation wells located inside the tank excavation and monitoring wells installed in
native soil outside the tank excavation may be used for leak detection only if the water table is
within ft of the ground surface year-round. -
✔✔✔ Correct Answer > A. 25ft
B. 20ft
C. 22ft
D. 23ft
Answer B
• An efficient piping design the length of piping and the
of fittings, enhances operations, and facilitates testing and
maintenance - ✔✔✔ Correct Answer > A. Minimizes, amount
B. Reduces, number
C. minimizes, number
D. Eliminates, amount Answer.
C.
• Run piping in a single trench between the tank area and the
and between the tank and vent risers. - ✔✔✔ Correct Answer
> A.Dispensing
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, SOURCED FROM EXPERTS
B. Retrofitting
C. Convoy
D. Interstitial-spacing Answer
A.
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, SOURCED FROM EXPERTS
• Provide at least in of clearance between piping and electrical conduit, utilities,
other system components, and any nearby structures - ✔✔✔ Correct Answer > A. 12
B. 13
C. 4
D. 6
Answer D.
• In traffic areas, ensure that the trench is sufficiently deep to permit in
of bedding and at least in of compacted back-fill material and pavement above
the top of the pipe. - ✔✔✔ Correct Answer > A. 18,6
B. 6,18
C. 8, 16
D. 12, 8
Answer B.
• Carefully grade and compact bedding to ensure a minimum slope of
in per foot toward the tank for vapor, vent, gravity fill, and suction supply lines. In
pressurized systems, slope may not be necessary. - ✔✔✔ Correct Answer
> A. 1/6
B. 1/18
C. 100
D. 2/8
Answer A
• For safe piping configurations, the entire piping run must slope down to
the tank, allowing product to drain safely if air should enter - ✔✔✔ Correct Answer > A. Re-bar
B. Continuous
C. Suction
SOURCED FROM EXPERTS
U1 UST INSTALLATION/RETROFITTING TEST EXAM WITH100%
COMPLETE SOLUTIONS QUESTIONS ANDCORRECT ANSWERS
(2025 LATESTEXPERT VERIFIED)
• To improve effectiveness of inventory control, manual tank gauging, and statistical
inventory reconciliation, the tank owner should utilize a tank chart and gauge stick calibrated
in inch - ✔✔✔ Correct Answer > A. 1/6th
B. 1/8th
C. 2/3ds
D. 1/7th
Answer B
• Observation wells located inside the tank excavation and monitoring wells installed in
native soil outside the tank excavation may be used for leak detection only if the water table is
within ft of the ground surface year-round. -
✔✔✔ Correct Answer > A. 25ft
B. 20ft
C. 22ft
D. 23ft
Answer B
• An efficient piping design the length of piping and the
of fittings, enhances operations, and facilitates testing and
maintenance - ✔✔✔ Correct Answer > A. Minimizes, amount
B. Reduces, number
C. minimizes, number
D. Eliminates, amount Answer.
C.
• Run piping in a single trench between the tank area and the
and between the tank and vent risers. - ✔✔✔ Correct Answer
> A.Dispensing
SOURCED FROM EXPERTS
, SOURCED FROM EXPERTS
B. Retrofitting
C. Convoy
D. Interstitial-spacing Answer
A.
SOURCED FROM EXPERTS
, SOURCED FROM EXPERTS
• Provide at least in of clearance between piping and electrical conduit, utilities,
other system components, and any nearby structures - ✔✔✔ Correct Answer > A. 12
B. 13
C. 4
D. 6
Answer D.
• In traffic areas, ensure that the trench is sufficiently deep to permit in
of bedding and at least in of compacted back-fill material and pavement above
the top of the pipe. - ✔✔✔ Correct Answer > A. 18,6
B. 6,18
C. 8, 16
D. 12, 8
Answer B.
• Carefully grade and compact bedding to ensure a minimum slope of
in per foot toward the tank for vapor, vent, gravity fill, and suction supply lines. In
pressurized systems, slope may not be necessary. - ✔✔✔ Correct Answer
> A. 1/6
B. 1/18
C. 100
D. 2/8
Answer A
• For safe piping configurations, the entire piping run must slope down to
the tank, allowing product to drain safely if air should enter - ✔✔✔ Correct Answer > A. Re-bar
B. Continuous
C. Suction
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