U1 UST INSTALLATION RETROFITTING ACTUAL
EXAMS SCRIPT QUESTIONS AND ANSWERS SURE A+
✔✔41. Carefully inspect _______________ and __________________ surfaces of a
tank shipped with a liquid-filled interstice for signs of leakage - ✔✔Interior, exterior
✔✔42. A double-walled tank shipped with a _____________ on the interstice need not
be subjected to an air/soap test. - ✔✔A. Ballard
B. Gauge
C. Skid
D. Vacuum
Answer D
✔✔43. To avoid undermining foundations of existing structures excavation must be
done - ✔✔A. Carefully
B. Tentatively
C. Quickly
D. Efficiently
Answer A
✔✔44. What is the determinant of the total depth of the tank excavation. - ✔✔A. Tank
diameter, bedding-thickness, hold-down pad(If required), depth of cover, and slope and
length of piping.
, B. Slope and length of piping, depth of cover, hold down pad(If required), thickness,
amount of dirt
C. Thickness, hold-down pad(If required), depth of cover, bedding, previous leaks or
spills
D. Slope and length of piping, thickness, amount of dirt, depth of cover, bedding,
thickness.
Answer A
✔✔45. Much of a buried tanks support is derived from __________ - ✔✔A. Compacted
backfill
B. Chain-falls
C. Reinforced steal walls
D. Concrete
Answer A
✔✔46. _______ ____________ are geotextiles designed to prevent movement of back-
fill materials, while permitting water to pass through - ✔✔Filter fabrics
✔✔47. 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. -
✔✔backfill
✔✔48. ___ feet of backfill must be placed between adjacent tanks and between tanks
and excavation walls. - ✔✔A. 1
B. 2
C. 3
D. 4
Answer B
✔✔49. In areas subject to vehicle traffic, cover may consist of at least _________
inches of compacted backfill and ________ inches of asphaltic concrete,
or___________ inches of reinforced concrete - ✔✔30, 6, 18
✔✔50. Maximum burial depth, measured from the top of the tank, are established by
tank __________ and ________________ - ✔✔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
EXAMS SCRIPT QUESTIONS AND ANSWERS SURE A+
✔✔41. Carefully inspect _______________ and __________________ surfaces of a
tank shipped with a liquid-filled interstice for signs of leakage - ✔✔Interior, exterior
✔✔42. A double-walled tank shipped with a _____________ on the interstice need not
be subjected to an air/soap test. - ✔✔A. Ballard
B. Gauge
C. Skid
D. Vacuum
Answer D
✔✔43. To avoid undermining foundations of existing structures excavation must be
done - ✔✔A. Carefully
B. Tentatively
C. Quickly
D. Efficiently
Answer A
✔✔44. What is the determinant of the total depth of the tank excavation. - ✔✔A. Tank
diameter, bedding-thickness, hold-down pad(If required), depth of cover, and slope and
length of piping.
, B. Slope and length of piping, depth of cover, hold down pad(If required), thickness,
amount of dirt
C. Thickness, hold-down pad(If required), depth of cover, bedding, previous leaks or
spills
D. Slope and length of piping, thickness, amount of dirt, depth of cover, bedding,
thickness.
Answer A
✔✔45. Much of a buried tanks support is derived from __________ - ✔✔A. Compacted
backfill
B. Chain-falls
C. Reinforced steal walls
D. Concrete
Answer A
✔✔46. _______ ____________ are geotextiles designed to prevent movement of back-
fill materials, while permitting water to pass through - ✔✔Filter fabrics
✔✔47. 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. -
✔✔backfill
✔✔48. ___ feet of backfill must be placed between adjacent tanks and between tanks
and excavation walls. - ✔✔A. 1
B. 2
C. 3
D. 4
Answer B
✔✔49. In areas subject to vehicle traffic, cover may consist of at least _________
inches of compacted backfill and ________ inches of asphaltic concrete,
or___________ inches of reinforced concrete - ✔✔30, 6, 18
✔✔50. Maximum burial depth, measured from the top of the tank, are established by
tank __________ and ________________ - ✔✔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
