U1 UST Installation/Retrofitting
Exam (2026) | Real Exam Questions
with 100% Correct Answers |
Graded A+
• aboveground piping should be Schedule _____ galvanized or
painted/coated black steel pipe . Answer: 40
• all piping components, including, fittings, gasket, o-rings, pipedope,
and piping itself must: . Answer: 1. be fully compatible with the
products stores and the underground environment
2. have sufficient strength to withstand the stress produced during
construction.
• electrical isolation material used on tank straps for steel and composite
tanks should be atleast ____ thick wider than the strap, and should
extend______ below the widest part of the tank . Answer: 1/8" thick 1
foot below
• Flex connectors are not required on flexible pipe. . Answer: False
• flex connectors installed in dispenser or intermediate sumps should be
listed for _____ use. . Answer: Aboveground
, • flex connectors installed in tank-top stumps should be listed for .
Answer: aboveground or underground
• groundwater monitoring wells should be constructed with 0.020 inch
openings and permeable backfill to allow water or released product to
flow freely through the well. well should be contructed of . Answer: 1.
Slotted PVC
2. Perforated PVC
3. Coated metal pipe
• Installing Steel Unions Underground is not recommended. If it is
unavoidable use _______
ground joint unions and provide access for service. . Answer: 250/300 #
• Material used to provide electrical isolation between tank strap and a
steel tank should be at
least 1/8" thick, wider than the strap, and extend ______ below the
widest part of the Tank. . Answer: 1 Foot
• Prior to installing a UST, piping or any other UST system equipment: .
Answer: 1. Physically inspect all materials for any defects. If defects are
found, notify the owner and
make repairs per manufactures (if possible).
2. Confirm adherence to the plans and specifications
Exam (2026) | Real Exam Questions
with 100% Correct Answers |
Graded A+
• aboveground piping should be Schedule _____ galvanized or
painted/coated black steel pipe . Answer: 40
• all piping components, including, fittings, gasket, o-rings, pipedope,
and piping itself must: . Answer: 1. be fully compatible with the
products stores and the underground environment
2. have sufficient strength to withstand the stress produced during
construction.
• electrical isolation material used on tank straps for steel and composite
tanks should be atleast ____ thick wider than the strap, and should
extend______ below the widest part of the tank . Answer: 1/8" thick 1
foot below
• Flex connectors are not required on flexible pipe. . Answer: False
• flex connectors installed in dispenser or intermediate sumps should be
listed for _____ use. . Answer: Aboveground
, • flex connectors installed in tank-top stumps should be listed for .
Answer: aboveground or underground
• groundwater monitoring wells should be constructed with 0.020 inch
openings and permeable backfill to allow water or released product to
flow freely through the well. well should be contructed of . Answer: 1.
Slotted PVC
2. Perforated PVC
3. Coated metal pipe
• Installing Steel Unions Underground is not recommended. If it is
unavoidable use _______
ground joint unions and provide access for service. . Answer: 250/300 #
• Material used to provide electrical isolation between tank strap and a
steel tank should be at
least 1/8" thick, wider than the strap, and extend ______ below the
widest part of the Tank. . Answer: 1 Foot
• Prior to installing a UST, piping or any other UST system equipment: .
Answer: 1. Physically inspect all materials for any defects. If defects are
found, notify the owner and
make repairs per manufactures (if possible).
2. Confirm adherence to the plans and specifications
