U1 UST INSTALLATION
RETROFITTING COMPREHENSIVE
EXAM QUESTIONS WITH
SOLUTIONS GRADED A PLUS
◉ 40. Answer: aboveground piping should be Schedule _____
galvanized or painted/coated black steel pipe
◉ 1. be fully compatible with the products stores and the underground
environment
2. have sufficient strength to withstand the stress produced during
construction.. Answer: all piping components, including, fittings, gasket,
o-rings, pipedope, and piping itself must:
◉ 1/8" thick 1 foot below. Answer: 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
◉ False. Answer: Flex connectors are not required on flexible pipe.
◉ Aboveground. Answer: flex connectors installed in dispenser or
intermediate sumps should be listed for _____ use.
, ◉ aboveground or underground. Answer: flex connectors installed in
tank-top stumps should be listed for
◉ 1. Slotted PVC
2. Perforated PVC
3. Coated metal pipe. Answer: 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
◉ 250/300 #. Answer: Installing Steel Unions Underground is not
recommended. If it is unavoidable use _______
ground joint unions and provide access for service.
◉ 1 Foot. Answer: 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.
◉ 1. Physically inspect all materials for any defects. If defects are found,
notify the owner and
make repairs per manufactures (if possible).
RETROFITTING COMPREHENSIVE
EXAM QUESTIONS WITH
SOLUTIONS GRADED A PLUS
◉ 40. Answer: aboveground piping should be Schedule _____
galvanized or painted/coated black steel pipe
◉ 1. be fully compatible with the products stores and the underground
environment
2. have sufficient strength to withstand the stress produced during
construction.. Answer: all piping components, including, fittings, gasket,
o-rings, pipedope, and piping itself must:
◉ 1/8" thick 1 foot below. Answer: 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
◉ False. Answer: Flex connectors are not required on flexible pipe.
◉ Aboveground. Answer: flex connectors installed in dispenser or
intermediate sumps should be listed for _____ use.
, ◉ aboveground or underground. Answer: flex connectors installed in
tank-top stumps should be listed for
◉ 1. Slotted PVC
2. Perforated PVC
3. Coated metal pipe. Answer: 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
◉ 250/300 #. Answer: Installing Steel Unions Underground is not
recommended. If it is unavoidable use _______
ground joint unions and provide access for service.
◉ 1 Foot. Answer: 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.
◉ 1. Physically inspect all materials for any defects. If defects are found,
notify the owner and
make repairs per manufactures (if possible).
