Wfm Vol. 2b
- 1.
What does the Defense Energy Support Center (DESC) determine the type, size, and number of fuel tanks needed at each base based on?
- A.
Air Force standard design
- B.
The mission requirements.
- C.
MAJCOM recommendation
- D.
Available construction dollars.
Correct Answer
B. The mission requirements. -
- 2.
What will horizontal underground storage tanks and cut and cover tanks that issue jet fuel have on top of them?
- A.
A pumphouse
- B.
A concrete cover.
- C.
An open-air shed.
- D.
Nothing, to prevent collapse of the tank.
Correct Answer
A. A pumphouse -
- 3.
All new tanks must have what kind of containment?
- A.
A plastic liner
- B.
Leak detection.
- C.
A concrete bottom.
- D.
Double-wall construction or a dike.
Correct Answer
D. Double-wall construction or a dike. -
- 4.
What should you use when replacing a manway cover?
- A.
New nuts and bolts
- B.
The old gasket if it is in good condition
- C.
A new gasket slightly thicker than the old one.
- D.
A new gasket the same thickness as the old one.
Correct Answer
D. A new gasket the same thickness as the old one. -
- 5.
Damage to a tank can occur if the
- A.
Vent or vent piping becomes clogged.
- B.
Tank has an anti-rotation device.
- C.
Low-level shut-off fails to work.
- D.
High-level alarm fails to work.
Correct Answer
A. Vent or vent piping becomes clogged. -
- 6.
Which type of aboveground tank can withstand very little pressure or vacuum during the filling or removal of fuel?
- A.
Vertical.
- B.
Cone roof.
- C.
Floating roof tank.
- D.
Cone roof tank with floating pan.
Correct Answer
B. Cone roof. -
- 7.
The product withdrawal line terminate inside a cone roof tank with a floating pan in a
- A.
Vertical position, 6 inches above the top of the sump.
- B.
Vertical position, 6 inches above the bottom of the sump.
- C.
Horizontal position, 6 inches above the top of the sump.
- D.
Horizontal position, 6 inches above the bottom of the sump.
Correct Answer
A. Vertical position, 6 inches above the top of the sump. -
- 8.
What size is the water draw-off line in an all weather tank, and where does it terminate?
- A.
½ inch, ½ inch from the sump bottom.
- B.
½ inch, 1 inch from the sump bottom.
- C.
¾ inch, ½ inch from the sump bottom.
- D.
¾ inch, 1 inch from the sump bottom.
Correct Answer
C. ¾ inch, ½ inch from the sump bottom. -
- 9.
In the northern hemisphere, which way will the inlet line on an all-weather tank cause the fuel to rotate, and what degree is the line turned?
- A.
Clock-wise, 45.
- B.
Clock-wise, 60.
- C.
Counterclockwise, 45.
- D.
Counterclockwise, 60.
Correct Answer
D. Counterclockwise, 60. -
- 10.
At what level does the high-level alarm actuate on a cone roof with floating pan?
- A.
Just before the high-level shut-off level.
- B.
Just after the high-level shut-off level.
- C.
Just before the high-high level alarm.
- D.
Just after the high-high level alarm.
Correct Answer
A. Just before the high-level shut-off level. -
- 11.
What level above the tank bottom is the low-level shut-off set at on a 25,000 bbl cone roof tank with floating pan?
- A.
18 inches.
- B.
24 inches.
- C.
27 inches.
- D.
30 inches.
Correct Answer
C. 27 inches. -
- 12.
At what level are the support legs on a cone roof tank with floating pan set at for day-to-day business?
- A.
1½ feet.
- B.
3 feet.
- C.
4½ feet
- D.
6 feet
Correct Answer
B. 3 feet. -
- 13.
What type of vent is located on a floating pan?
- A.
Slot
- B.
Open
- C.
Bleeder.
- D.
Overflow.
Correct Answer
C. Bleeder. -
- 14.
The wind girder is installed on floating roof tanks to
- A.
Keep the roof from rotating.
- B.
Prevent the collapse of the tank shell
- C.
Provide a vapor recovery area under the roof.
- D.
Provide a path to the ground for static electricity.
Correct Answer
B. Prevent the collapse of the tank shell -
- 15.
The roof guide is installed on floating roof tanks to
- A.
Keep the roof from rotating.
- B.
Prevent the collapse of the tank shell.
- C.
Provide a vapor recovery area under the roof.
- D.
Provide a path to the ground for static electricity.
Correct Answer
A. Keep the roof from rotating. -
- 16.
The double-deck floating roof tank is the most efficient type of roof because the roof
- A.
Slopes to the center.
- B.
Support legs are adjustable.
- C.
Has insulating air space between decks
- D.
Water drains easily toward the center.
Correct Answer
C. Has insulating air space between decks -
- 17.
About how far above the tank floor is the first stage of the deep-well turbine pump located?
- A.
3 inches
- B.
6 inches
- C.
9 inches.
- D.
12 inches.
Correct Answer
B. 6 inches -
- 18.
What size is the cleanout line on an underground tank, and where does it terminate outside the tank?
- A.
½ inch, 6 inches above ground level.
- B.
½ inch, 12 inches above ground level.
- C.
¾ inch, 6 inches above ground level.
- D.
¾ inch, 12 inches above ground level.
Correct Answer
D. ¾ inch, 12 inches above ground level. -
- 19.
You must clean a bulk storage tank that has a receiving filter separator and is internally coated every
- A.
4 years.
- B.
6 years.
- C.
8 years.
- D.
10 years.
Correct Answer
C. 8 years. -
- 20.
You must clean an operating storage tank that does not have a receiving filter separator but has internal coating every
- A.
6 yrs
- B.
7 yrs
- C.
8 yrs
- D.
10 yrs
Correct Answer
A. 6 yrs -
- 21.
You must clean an operating tank that is not internally coated and does not have a receiving filter separator every
- A.
4 years.
- B.
6 years.
- C.
8 years.
- D.
10 years.
Correct Answer
A. 4 years. -
- 22.
How often do you clean a Mogas or diesel tank?
- A.
4 years.
- B.
6 years.
- C.
8 years.
- D.
By direction of the fuels management office.
Correct Answer
D. By direction of the fuels management office. -
- 23.
How is the product identification displayed on an aboveground tank?
- A.
Yellow bands with white letters on a black background.
- B.
Yellow bands with black letters on a white background.
- C.
Black bands with white letters on a yellow background.
- D.
Black bands with yellow letters on a white background.
Correct Answer
A. Yellow bands with white letters on a black background. -
- 24.
How many bands are used to identify JP–8 fuel?
- A.
One.
- B.
Two.
- C.
Three
- D.
Four
Correct Answer
C. Three -
- 25.
The fuse link on a fuse link valve used on a cone roof tank will normally melt at what temperature?
- A.
160° F.
- B.
180° F.
- C.
200° F.
- D.
220° F.
Correct Answer
A. 160° F. -
- 26.
When manually gauging a tank, why must you keep the tape in contact with the gauge pipe?
- A.
To keep the tape from twisting
- B.
To easily read the tape increments.
- C.
To prevent the discharge of a spark.
- D.
To steady the tape when lowering the bob.
Correct Answer
D. To steady the tape when lowering the bob. -
- 27.
When the roof supports on a floating roof tank are in the UP position, at what level will the roof rest above the floor?
- A.
3 feet.
- B.
4 feet.
- C.
5 feet.
- D.
6 feet.
Correct Answer
A. 3 feet. -
- 28.
At what level must the automatic bleeder vent supports be set when preparing for an internal inspection and cleaning?
- A.
3 feet.
- B.
4 feet.
- C.
5 feet.
- D.
6 feet.
Correct Answer
D. 6 feet. -
- 29.
What prevents fuel from entering a roof drain line?
- A.
Flange gaskets and Teflon® ring packing.
- B.
Flange gaskets and asbestos ring packing.
- C.
Threaded gaskets and Teflon® ring packing.
- D.
Threaded gaskets and asbestos ring packing.
Correct Answer
B. Flange gaskets and asbestos ring packing. -
- 30.
In extremely cold climates, what should you do to the roof drain line?
- A.
Fill it with salt water.
- B.
Fill it with antifreeze only.
- C.
Fill it with 10 SAE weight oil.
- D.
Fill it with 50/50 mix of antifreeze and water.
Correct Answer
D. Fill it with 50/50 mix of antifreeze and water. -
- 31.
What is the inspection frequency for the fabric seal on a floating roof tank?
- A.
Weekly
- B.
Monthly
- C.
Semi-annual.
- D.
Annually.
Correct Answer
B. Monthly -
- 32.
When filling the tank to check the high-high-level alarm, what must be disabled?
- A.
The high-level alarm.
- B.
The low-level switch.
- C.
The low-level shut-off valve.
- D.
The high-level shut-off valve.
Correct Answer
D. The high-level shut-off valve. -
- 33.
What would you use to check the liquidometer accuracy?
- A.
Tape and bob.
- B.
Liquid level float.
- C.
Liquid level gauge.
- D.
Weighted gauge tester.
Correct Answer
A. Tape and bob. -
- 34.
How would you take care of internal corrosion for the low-level control attached to the liquidometer?
- A.
Wire brush clean and replace the cover gasket.
- B.
Wire brush clean and replace the cover.
- C.
Air it out and replace the cover gasket.
- D.
Air it out and replace the cover.
Correct Answer
A. Wire brush clean and replace the cover gasket. -
- 35.
How long before entering a fuel tank must you request permission from your MAJCOM?
- A.
10 days.
- B.
15 days.
- C.
10 workdays.
- D.
15 workdays.
Correct Answer
D. 15 workdays. -
- 36.
Who will assign a qualified tank entry supervisor to supervise a tank cleaning operation?
- A.
Shop supervisor.
- B.
Section superintendent.
- C.
Base safety.
- D.
MAJCOM fuels engineer.
Correct Answer
D. MAJCOM fuels engineer. -
- 37.
Which one of the following is not the responsibility of the MAJCOM fuels engineer’s representative during the contract cleaning of a fuel tank?
- A.
To inspect the contractor’s equipment.
- B.
To advise the contractor of known potential hazards.
- C.
To stop the contractor’s work for contract violations.
- D.
To act as the quality assurance evaluator pertaining to the work.
Correct Answer
C. To stop the contractor’s work for contract violations. -
- 38.
Which of the following fuels normally contains a higher concentration of benzene?
- A.
JP–4.
- B.
JP–8.
- C.
Diesel.
- D.
Gasoline.
Correct Answer
D. Gasoline. -
- 39.
During tank cleaning, when should you remove heavily contaminated clothing?
- A.
Immediately, after leaving the area.
- B.
After being drenched with water.
- C.
At the end of the day, after leaving the area.
- D.
At the end of the day, after being drenched with water.
Correct Answer
B. After being drenched with water. -
- 40.
Communication gear must be used during the cleaning of an underground JP–8 tank when the
- A.
Tank capacity is 10,000 gallons.
- B.
Tank capacity is 25,000 gallons.
- C.
Manhole access is 6 feet below ground level.
- D.
Manhole access is 12 feet below ground level.
Correct Answer
D. Manhole access is 12 feet below ground level. -
- 41.
All electrical equipment to be used within 50 feet of any fuel system must be defined as which class in the National Electrical Code?
- A.
Class I, Division I, Group C.
- B.
Class I, Division I, Group D.
- C.
Class I, Division II, Group C.
- D.
Class I, Division II, Group D.
Correct Answer
B. Class I, Division I, Group D. -
- 42.
A safety harness, used in tank cleaning, is good for a maximum of how many years from the date stamped on the harness?
- A.
5.
- B.
10.
- C.
15.
- D.
20.
Correct Answer
B. 10. -
- 43.
Artificial lights, other than battery-powered safety lanterns, can be used only during tank cleaning after what condition is met?
- A.
The tank cleaning supervisor has made their initial entry.
- B.
The LEL inside the tank is below 20 percent.
- C.
The tank has been washed down.
- D.
The tank is vapor free.
Correct Answer
B. The LEL inside the tank is below 20 percent. -
- 44.
During initial cleaning, at what percent of the lower explosive limit (LEL) must you suspend washing down a tank?
- A.
10
- B.
20
- C.
30
- D.
40
Correct Answer
B. 20 -
- 45.
At what vapor level may workers initially enter a tank for tank cleaning?
- A.
Below 10 percent LEL.
- B.
Below 20 percent LEL.
- C.
Below 40 percent LEL.
- D.
Below 50 percent LEL.
Correct Answer
A. Below 10 percent LEL. -
- 46.
During tank cleaning, how often must you record a vapor reading?
- A.
Every 10 minutes.
- B.
Every 15 minutes.
- C.
At the beginning of the tank cleaning.
- D.
At the beginning and end of the tank cleaning.
Correct Answer
B. Every 15 minutes. -
- 47.
When can people enter a fuel tank without protective equipment?
- A.
0 percent LEL only.
- B.
0 percent LEL and the tank has been washed out and dried.
- C.
0 percent LEL, the tank has been washed out and dried, the tank is known never to have
- D.
Never.
Correct Answer
C. 0 percent LEL, the tank has been washed out and dried, the tank is known never to have -
- 48.
What must be done to fuel pumps and motors located in a pit if they are to be abandoned?
- A.
Drained only.
- B.
Drained and capped off.
- C.
Remove, capped off and oiled.
- D.
Removed and stored in a dry place.
Correct Answer
D. Removed and stored in a dry place. -
- 49.
What must be done to meters in a pit that is to be abandoned?
- A.
Drained only.
- B.
Drained and capped off.
- C.
Drained, capped off and oiled.
- D.
Drained, removed, oiled, and placed in storage.
Correct Answer
D. Drained, removed, oiled, and placed in storage. -
- 50.
How do you reset the lower explosive limit (LEL) sensor on the MultiRAE PGM–50?
- A.
Press the “reset” button.
- B.
Sample fresh air for 60 seconds then press the “Y/+” button.
- C.
Turn the unit off then back on.
- D.
PMEL must replace the sensor.
Correct Answer
B. Sample fresh air for 60 seconds then press the “Y/+” button. -
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 04, 2011Quiz Edited by
ProProfs Editorial Team -
Jul 14, 2011Quiz Created by
Airforce1747
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