QUESTIONS AND ANSWERS GRADED A+
✔✔11. All tools that are in areas with hazardous vapor concentartions should be shut
down or they should be ________________ proof. - ✔✔__________________
answer Explosion
✔✔12. Undergroud storage tanks are considered temerarially out of service if they are
idle but will return to service in ____ years. - ✔✔______
answer 1
✔✔13. Undergroud storage tanks are considered temerarially out of service if they are -
✔✔A. Idle but will return to service within one year
B. Are awaiting abandonement in place
C. Are waiting for reamoval
D. All of the above
Answer D
✔✔14. Tanks that are out of service must be - ✔✔A. Checked routinely
C. Filled with sand
B. Properly secured
D. A and B
Answer B
✔✔15. When removing an under ground tank what method for removal is preferred. -
✔✔A. Removal of the tank
B. Closure in place
Answer B
✔✔16. Choose the reasons that a closure in place would be preferred over a removal. -
✔✔A. Because of the tank location, adjacent equipment or structures may be damaged
or weakened if the tank is removed.
B. It would do a lot of damage to the clients lawn
C. Removal is impossible
D. There is no equipment that is capable of removing the tank
E. Removal may incur excessive costs
Answer A, C, E
✔✔17. You should remove all stored liquid and ballast the tank by filin git with water
when high _____________ levels occur - ✔✔________________
Answer Water
✔✔18. When temporarily putting a tank out of service what lines should be left open. -
✔✔______________ ____________
, Vent Lines
✔✔19. Lead compounds and other residues in the tank may be classified
as_____________ waste. - ✔✔A. Collective
B. Controllable
C. Hazardous
D. Corrosive
Answer C
✔✔20. Remove liquids and residues from the tank by using ______________
_____________ or air driven pumps. - ✔✔A. Safety Reg
B. Explosion Proof
C.
Answer B
✔✔21. If a vacuum truck is used for removal of liquids and residues it should be
positioned up _____________ wind of the tank. - ✔✔A. Road
B. Mistral
C. Wind
D. B and C
Answer C
✔✔22. When filling a tank with sand for a closure in place a nominal amount of water
should be used. Why -
✔✔___________________________________________________________________
____________
______________________________________________________________________
_________
✔✔23. Almost a complete filling of the tank can be achieved by filing it with a
combination of sand and ________________ - ✔✔A. Crushed Rock
B. Cachinnate
C. Yerk
D. Earth
Answer D
✔✔24. When under ground tanks are disposed in place the owner of the tank should
keep a permanent record of the tank location, the date of disposal in place, and the
method of conditioning the tank for disposal. - ✔✔Why
______________________________________________________________________
______