ICC U1 Underground Storage Tank (UST) Installer
Exam Actual EXAM Questions and Correct Answers
with EXPLANATIONS LATEST THIS YEAR
1. Excavated materials that cannot be immediately
removed from the site should be safely stockpiled at least
_______ feet away from the edge of the tank excavation -
ANSWER-2
4. Common deficiencies that adversely affect the structural
integrity and coating of tanks include - ANSWER-A. use of
incorrect backfill material
,B. Inadequate or improper placement or compaction of
backfill materials
C. rocks of debris left in the excavation
D. Voids under the lower quadrant of the tank
E. Failure to prevent migration of backfill materials
F. All of the above
Answer F
55. If a product is used for ballast do not fill tank about
_______ percent ? - ANSWER-95
56. Water in a storage tank can promote internal
_____________ and degrade fuel quality. - ANSWER-
Corrosion
,57. Back fill material should be - ANSWER-A. Stagnate
B. A-Morph-is
C. Egregious
D. Free flowing
Answer D
58. Cover the bottom of the excavation with suitably
graded and properly placed back fill material to a depth of
at least _________ Foot/feet deep - ANSWER-A. 0.5 Foot
B. 1 foot
C. 1.5 Feet
D. 2 Feet
Answer B
, 59. What are the standard back fill materials for a
fiberglass tank. - ANSWER-A. pea gravel and crushed
rock
B. pea gravel and dirt
C. pea gravel and water
D. sawdust and pea gravel
Answer A
60. When dealing with a fiberglass tank the bottom of the
excavation or hold-down pad must be covered with a
minimum of ______ foot/ feet of suitably graded and
compacted back fill material. - ANSWER-A. 10
B. 3
Exam Actual EXAM Questions and Correct Answers
with EXPLANATIONS LATEST THIS YEAR
1. Excavated materials that cannot be immediately
removed from the site should be safely stockpiled at least
_______ feet away from the edge of the tank excavation -
ANSWER-2
4. Common deficiencies that adversely affect the structural
integrity and coating of tanks include - ANSWER-A. use of
incorrect backfill material
,B. Inadequate or improper placement or compaction of
backfill materials
C. rocks of debris left in the excavation
D. Voids under the lower quadrant of the tank
E. Failure to prevent migration of backfill materials
F. All of the above
Answer F
55. If a product is used for ballast do not fill tank about
_______ percent ? - ANSWER-95
56. Water in a storage tank can promote internal
_____________ and degrade fuel quality. - ANSWER-
Corrosion
,57. Back fill material should be - ANSWER-A. Stagnate
B. A-Morph-is
C. Egregious
D. Free flowing
Answer D
58. Cover the bottom of the excavation with suitably
graded and properly placed back fill material to a depth of
at least _________ Foot/feet deep - ANSWER-A. 0.5 Foot
B. 1 foot
C. 1.5 Feet
D. 2 Feet
Answer B
, 59. What are the standard back fill materials for a
fiberglass tank. - ANSWER-A. pea gravel and crushed
rock
B. pea gravel and dirt
C. pea gravel and water
D. sawdust and pea gravel
Answer A
60. When dealing with a fiberglass tank the bottom of the
excavation or hold-down pad must be covered with a
minimum of ______ foot/ feet of suitably graded and
compacted back fill material. - ANSWER-A. 10
B. 3
