Quiz Over Behavior Of Liquids and Gases

1. Which type of measurement may be used to express pressure?

Kilograms

Pounds

Tons

Pounds per square inch

002

Explanation

002

2. The standard measure for atmospheric pressure is equal to how many pounds per square inch?

13.1 psi

14.7 psi

15.2 psi

17.0 psi

Atmospheric pressure is the force exerted by the weight of the atmosphere. It is commonly measured in pounds per square inch (psi). The standard measure for atmospheric pressure is 14.7 psi. This value is based on the average atmospheric pressure at sea level, where the weight of the atmosphere is balanced by the force of gravity.

Explanation

Atmospheric pressure is the force exerted by the weight of the atmosphere. It is commonly measured in pounds per square inch (psi). The standard measure for atmospheric pressure is 14.7 psi. This value is based on the average atmospheric pressure at sea level, where the weight of the atmosphere is balanced by the force of gravity.

3. During multiple source refueling, what action, if any, should be taken if backflow is detected?

No action is required

Increase engine RPMs

Decrease the engine RPMs

Stop the operation immediately

022

Explanation

022

4. What is the lifting force of a liquid called?

Laminar

Interface

Buoyance

Dynamic pressure

001

Explanation

001

5. According to the electron theory, atoms are composed of

Protons, neutrons, and electrons

Neutrons, elements, and protons

Electrons, molecules, and elements

Electrons, neutrons, and matter

003

Explanation

003

6. What term is used to define the process that takes place when water forms into droplets after passing through filter elements?

Separation

Integration

Coalescing

Commingling

004

Explanation

004

7. How often should hot refueling personnel undergo certification for hot refueling operations?

Monthly

Quarterly

Semiannually

Annually

022

Explanation

022

8. Which best describes immiscible liquids?

They mix well together

One liquid will float on the other

They will become an entrained solution

They will repel each other and react violently

001

Explanation

001

9. Which shell of the valence electrons determines whether a material is a good or a poor conductor of electricity?

The outermost shell

The middle shell

The second shell

The first shell

003

Explanation

003

10. When configuring the automated data collection (ADC) system, what maximum number of dial retries can you configure the user interface terminal’s (UIT) to attempt?

30

49

60

99

024

Explanation

024

11. When personnel are servicing aircraft with the type IV hydrant system, who is responsible for positioning the aircraft on the hot pad?

Fuels operator

Fuels operations supervisor

Hot refueling crewman

Hot refueling supervisor

012

Explanation

012

12. What type of current flow is the result of voltages produced by batteries and thermocouples?

Open current

Direct current

Latent current

Alternating current

003

Explanation

003

13. Which is not a type of positive displacement pump?

Gear

Piston

Rotary

Centrifugal

004

Explanation

004

14. The uniform movement of electrons in a specific direction is called

Electrical potential

Free electrons

Electric current

Ionization

003

Explanation

003

15. How do the charges of protons and electrons differ?

Protons have positive charges, and electrons have neutral charges

Protons have neutral charges, and electrons have positive charges

Protons have negative charges, and electrons have positive charges

Protons have positive charges, and electrons have negative charges

003

Explanation

003

16. Which temperature scale is commonly used for scientific measurements?

Kelvin scale

Rankine scale

Reaumur scale

Fahrenheit scale

002

Explanation

002

17. What size mesh screen is used in the type III hydrant system receiving strainer?

20

40

60

80

0100

Explanation

0100

18. What type of lubricant is used to lubricate the power takeoff (PTO) on a fuel dispensing system?

Thirty-weight motor oil

Ninety-weight gear oil

Synthetic gear lube

Silicone grease

004

Explanation

004

19. What action, if any, should be taken if a commercial delivery operator does not provide a Department of Defense (DD) Form 250 with a liquid oxygen (LOX) shipment?

No action is required

Notify the FMT and obtain an odor sample

Contact AFPET for disposition instructions

Inform the FSC and await further guidance

019

Explanation

019

20. Two or more atoms combined is called a

A compound

An element

A molecule

A mixture

003

Explanation

003

21. During bottom loading operations, what occurs when the signal to the bottom loading optic probe is lost?

The bottom loading valve modulates to prevent deadheading

The electronic control module cuts power to the fillstand pump

The bottom loading valve cuts power to the electronic control module

The electronic control module cuts power to the bottom loading electric air solenoid

004

Explanation

004

22. What type of meter is used on most fuel dispensing systems?

Tri-rotor, positive displacement

Bi-rotor, positive displacement

Single-stage, bi-directional

Dual-stage, bi-directional

004

Explanation

004

23. What type of material is used to construct the fuel tank on the R-11?

Titanium

Stainless steel

Sheet aluminum alloy

Steel-reinforced carbon fiber

004

Explanation

004

24. When, if ever, is a particulate test on a liquid oxygen (LOX) cart required?

Never

Once every 90 days

After a LOX cart has been filled

When particulate contamination is suspect

021

Explanation

021

25. When do the magnetic lines of force in a magnet cross?

When the north pole of a magnet is placed near the north pole of another magnet.

When the south pole of a magnet is placed near the north pole of another magnet.

When a permanent magnet and a temporary magnet are put together.

Magnetic lines of force never cross each other.

003

Explanation

003

26. Which publication is a memorandum issued by commercial manufacturers advising maintainers of minor defects with a product?

TCTO

Service bulletin

Technical manual

Manufacturer’s recall

008

Explanation

008

27. What major command (MAJCOM) developed the type IV pressurized hot refueling system?

Pacific Air Force (PACAF)

Air Combat Command (ACC)

Air Mobility Command (AMC)

United States Air Force in Europe (USAFE)

012

Explanation

012

28. What happens if the tank outlet manual valve on the type III hydrant system is open during an emergency stop situation?

A horn will sound

The upstream butterfly valve closes

The downstream butterfly valve closes

The tank outlet valve will close automatically

011

Explanation

011

29. Which statement best describes a positive ion?

An atom that lost a proton and has more electrons

An atom that lost an electron and has more protons

An atom that has an equal number of electrons and protons

An atom that cannot throw off any protons

003

Explanation

003

30. What item protects fuel dispensing system electrical components against overload?

Automatic reset-type circuit breakers

Manual reset-type circuit breakers

Twenty-five amp Bosch-type fuse

Ten amp ATO fuse

004

Explanation

004

31. When preparing to issue liquid nitrogen (LIN), what action, if any, should you take if a receiving tank’s Air Force Technical Order (AFTO) Forms 244/245 lists an open Red X condition?

No action is required

Do not fill the receiving tank

Inform the FMT and await further instructions

Notify the FSC and request line expediter assistance

019

Explanation

019

32. What type(s) of current flow cannot be transformed from a higher voltage to a lower voltage?

Latent current

Direct current

Latent and open current

Alternating and direct current

003

Explanation

003

33. On the type V hydrant system, what size are the stainless steel pantographs that are installed inside the hardened shelters?

3 inches

6 inches

9 inches

12 inches

013

Explanation

013

34. What determines the intensity of the excess pressure in a water-hammer wave?

The size of the pipe

The specific gravity of the fuel

The change in gallons per minute

The amount of extinguished velocity

001

Explanation

001

35. What is the unit of measurement of electrical power?

Watts

Volts

Amps

Ohms

003

Explanation

003

36. What is a major difference between a gas and a liquid?

A liquid is far less compressible than a gas.

A gas is far less compressible than a liquid.

A liquid is more combustible than a gas.

A gas is more combustible than a liquid.

001

Explanation

001

37. When performing a monthly inspection on emergency switches, check to ensure

The switches are not damaged

Proper lubrication of the switches

The switches are mechanically functional

Proper operation while the system control panel/operation circuit is energized

014

Explanation

014

38. Which of the following may direct shipment of a vehicle with less than 50 percent life expectancy to satisfy mission requirements?

LRS commander

Wing commander

MAJCOM

HQ USAF

009

Explanation

009

39. On the type III hydrant system, where is the ball float assembly for the high-level shutoff valve located on an aboveground operating storage tank?

On the top of the tank in the float well

On the top of the tank in the gauging well

On the interior of the tank at the required shut-off height

On the exterior of the tank at the required shut-off height

011

Explanation

011

40. Concurrent servicing operations supporting sortie generation operations (CSO/SGO) are authorized on all following aircraft except the

A-10

F-15

F-22

F-117

023

Explanation

023

41. How many tanks are used with the type IV hydrant system, and what is the capacity of each?

Two; 10,000 gallons

Four; 10,000 gallons

Two; 50,000 gallons

Four; 50,000 gallons

012

Explanation

012

42. What component found on R-11s and R-12s prevents the auxiliary throttle from operating unless the power takeoff (PTO) is engaged?

PTO interlock system

Throttle interlock system

Emergency shutdown switch

Emergency engine kill switch

004

Explanation

004

43. A 3-hoursepower motor consumes how much power?

755 W

1,534 W

2,023 W

2,238 W

003

Explanation

003

44. What is the rated capacity of the pumps on the type IV pressurized hot refueling system?

300 gpm

600 gpm

900 gpm

1,200 gpm

012

Explanation

012

45. What happens when the type III hydrant system product recovery tank is 70 percent full?

Float assembly closes the inlet valve

Switch assembly automatically turns the pump on

Float assembly closes the high-level shut-off valve

Switch assembly senses an emergency condition and shuts down the system

011

Explanation

011

46. On the type IV hydrant system, how is fuel prevented from spilling onto the hot pad if a hose separates from the nozzle during a hot refueling operation?

A dry break coupler inside the hose closes automatically

The flow switch senses a sudden surge in fuel flow, and shuts down the pumps

The pressure switch senses a sudden drop in pressure, and shuts down the pumps

The fusible link melts and falls out, causing the spring-loaded butterfly part of the valve to close

012

Explanation

012

47. During concurrent servicing of cargo or passenger aircraft, deplaning personnel should not come closer than how many feet from any aircraft fuel vent outlet?

10 feet

20 feet

25 feet

50 feet

022

Explanation

022

48. What type of inspection is performed to determine the condition of a vehicle or piece of equipment?

Annual inspection

Special inspection

Limited technical inspection

Preventative maintenance and inspection

009

Explanation

009

49. What filter separator component prevents pressure surges from damaging dispensing pressure control systems?

Air eliminator

Water slug valve

Float control valve

Mainline control valve

004

Explanation

004

50. What may a filter separator differential pressure reading below 3 pounds per square inch (psi) indicate?

Clean coalescer elements

Damaged coalescer screens

Clogged or dirty coalescers

A defective O-ring or ruptured coalescers

005

Explanation

005

51. When performing a semiannual inspection of fillstand bonding receptacles for proper tension, you obtain a pull measurement of five pounds. This indicates a

Corroded bond plug

Corroded bonding receptacle

Weak or damaged bond plug

Weak or damaged bonding receptacle

014

Explanation

014

52. When performing a hydrant flushing operation, ensure enough fuel velocity is generated to remove water and sediment by flushing the system

Every 90 days

With all issue pumps operating

With at least two issue pumps operating

At 50 percent of the system rated capacity

015

Explanation

015

53. Who may approve deviations from hot refueling policies when combat or emergency situations require the use of hot refueling?

FMFC

HQ USAF/A4

MAJCOM Commander

Air Force Petroleum Agency

022

Explanation

022

54. Who should you notify if, while performing fuels expediter duties, you use the spill response kit?

Fuels Environmental coordinator

NCOIC fuels distribution

FOD prevention monitor

FSC

025

Explanation

025

55. When should Bourdon gauges be calibrated?

Quarterly

Semiannually

Annually

Biennially

005

Explanation

005

56. What causes the automatic bypass valve on the type III hydrant system to open and let fuel bypass the filter separator when receiving fuel by cross-country pipeline?

Differential pressure of 20 psi sensed across the receiving filter separator

Differential pressure of 30 psi sensed by the differential pressure switch

System pressure that exceeds the maximum vessel operating pressure

System pressure that routes flow around the vessel when manual valves are used

011

Explanation

011

57. How often should a filter separator vessel be cleaned?

Every year, or when high concentrations of water detected

Every two years, or when sediment levels exceed tolerances

Every three years, or when coalesce elements are changed

Every five years, or when fiber sample fails

010

Explanation

010

58. Which unit of measurement would indicate velocity of flow?

Feet per second

Gallons per minute

Cubic feet per second

Cubic gallons per minute

001

Explanation

001

59. Which hose is exempt from annual hydrostatic hose testing requirements?

Hoses for FAM carts

Hoses used for hot/rapid defueling

Hoses used for hot refueling E-4B aircraft

Hoses used for concurrent servicing supporting sortie generation operations

010

Explanation

010

60. When documenting a significant maintenance action on an Air Force Technical Order (AFTO) 95, what information should you enter in block 1?

The appropriate page number

The serial number of the item

The name of the equipment manufacturer

The mission, design, series (MDS) of the equipment

018

Explanation

018

61. What symbol should you enter on the Air Force Technical Order (AFTO) Form 244/245 if a routine inspection on a cryotainer goes overdue?

Red X

Red dash

Red cross

Red diagonal

018

Explanation

018

62. What maximum number of base stations may be configured to operate with the automated data collection (ADC) system?

5

6

10

12

024

Explanation

024

63. When documenting a cryogenic product receipt on the Air Force Form 1231, from which of the following documents is the contract number obtained?

DD Form 250

DD Form 250-1

DD Form 1348

DD Form 1348-1

020

Explanation

020

64. What are the two most common methods of producing voltage?

Magnetic and heat

Chemical and heat

Chemical and mechanical

Magnetic and mechanical

Chemical and mechanical are the two most common methods of producing voltage. Chemical processes, such as those in batteries, can generate an electric potential difference by converting chemical energy into electrical energy. Mechanical methods, such as generators, produce voltage by converting mechanical energy into electrical energy through the movement of magnets or coils.

Explanation

Chemical and mechanical are the two most common methods of producing voltage. Chemical processes, such as those in batteries, can generate an electric potential difference by converting chemical energy into electrical energy. Mechanical methods, such as generators, produce voltage by converting mechanical energy into electrical energy through the movement of magnets or coils.

65. Which physical factor affects the behavior of liquids in both rest and motion?

Friction, applied forces, and gravity

Friction, inertia, and atmospheric pressure

Gravity, atmospheric pressure, and inertia

Gravity, atmospheric pressure, and applied forces

001

Explanation

001

66. When documenting a cryogenic product issue to a liquid oxygen (LOX) cart on the Air Force Technical Order (AFTO) Form 134, what information should be entered block 4?

The date the cart was filled

The quantity issued to the cart

The tank number of the issuing cryotainer

The initials of the individual that filled the cart

020

Explanation

020

67. Urgent action time compliance technical orders (TCTO) require compliance within what maximum amount of days?

10 days

20 days

30 days

60 days

008

Explanation

008

68. Since manning is not required for the type V hydrant system, how often must inspections be performed when it is operating?

Every hour

Every 2 hours

Every 3 hours

Every 4 hours

013

Explanation

013

69. All of the following conditions would prevent a remote terminal workstation (RTW) from receiving data except

The remote terminal unit being turned off.

An inoperative remote terminal unit modem.

The remote terminal workstation being turned on.

An inoperative remote terminal workstation modem.

016

Explanation

016

70. When performing meter calibrations, what is the acceptable difference between the master meter and the meter being calibrated?

½ gallon for each 100 gallons passing through the meter

½ gallon for each 500 gallons passing through the meter

1 gallon for each 100 gallons passing through the meter

1 gallon for each 500 gallons passing through the meter

005

Explanation

005

71. On the type IV hydrant system, how many aircraft can be hot refueled simultaneously in about 8 to 12 minutes, depending on the type of aircraft?

2

3

4

6

012

Explanation

012

72. What effect of current causes an electric motor to produce mechanical energy?

Heat

Magnetism

Chemical

Reactance

003

Explanation

003

73. When performing a periodic cryotainer inspection, which items listed in Technical Order (TO) 37C2-8-116WC-1 should you complete?

All items

All items preceded by an asterisk (*)

All items listed under the “Periodic Inspection” heading

All items followed by an ampersand (&)

017

Explanation

017

74. Which condition would require you to clean a cryotainer filter?

A decrease in liquid flow

A negative odor test result

A negative particulate test

A decrease in the annular space micron reading

017

Explanation

017

75. A magnet that is magnetized by induction from an external source is called?

A natural magnet

An electromagnet

An artificial magnet

An electromechanical magnet

003

Explanation

003

76. On the type V hydrant system, the deadman control valve is operated

Electrically

Mechanically

By air pressure

By fuel pressure

013

Explanation

013

77. Which is not a responsibility of the Logistics Readiness Squadron (LRS) customer service element when setting up a bench stock?

Replenish and deliver items

Establish the master bench detail record

Ensure proper use, care, and security of bench stock items

Install, maintain, and update on-base bench stock placards

007

Explanation

007

78. How many differential pressure transmitters (DPT) are installed on the issue line of a type III hydrant system that has a refueling capability of more than 2,400 gallons per minute (gpm)?

2

4

6

8

011

Explanation

011

79. Which aircraft does not require a hot brake check before entering the hot refueling pad?

B-1

F-15

F-16

F-22

022

Explanation

022

80. Which gas law declares that cooling a gas decreases its volume?

Boyle’s law

Charles’ law

Dalton’s law

Gay-Lussac’s law

002

Explanation

002

81. What type of publication is issued when a commercial manufacturer discovers dangerous or unsafe conditions with a product?

Service bulletin

Urgent action TCTO

Manufacturers recall

Immediate action TCTO

008

Explanation

008

82. Initial tool listings for individual tool kits (ITK) and composite tool kits (CTK) include all of the following except

Nomenclature

Quantity on hand

Quantity authorized

Tool national stock number (NSN)

006

Explanation

006

83. What are the three things needed to produce voltage by the principle of electromagnetic induction?

Coil, core, and current

Magnet, housing, and prime mover

Coil, conductors, and relative motion

Magnetic field, conductor, and relative motion

003

Explanation

003

84. On the type III hydrant system, which function of the filter separator control valve prevents the elements from bursting and allowing contaminated fuel downstream?

Check valve

Flow control

Water slug shutoff

Differential pressure shutoff

011

Explanation

011

85. When may deletions from the bench stock listing be processed?

When requested by the flight only

When requested by the flight, or when the bench stock review listing shows no consumption in the past 270 days

At the discretion of LRS customer service element only

007

Explanation

007

86. Where do the type III hydrant system pressure indicating transmitters sense pressure?

Issue line and atmosphere

Issue line and downstream venture

Return line and atmosphere

Return line and downstream venture

011

Explanation

011

87. What type of time compliance technical order (TCTO) is issued for safety conditions which, if left uncorrected, could result in fatality or serious injury to personnel or extensive damage to or destruction of valuable property?

Urgent action

Routine action

Scheduled action

Immediate action

008

Explanation

008

88. When preparing to issue liquid oxygen (LOX), what action, if any, should be taken if a review of a receiving tank’s Air Force Technical Order (AFTO) Form 134 finds that the forms is not properly filled out?

No action is required

Do not service the receiving tank

Contact the FSC and await further guidance

Inform aircraft maintenance of the discrepancy

019

Explanation

019

89. What fuel dispensing system component controls system fuel pressure?

Bypass system

Mainline system

Hose reel control

Deadman control

006

Explanation

006

90. What term is used to describe the total pressure acting as a gas?

Overpressure

Gauge pressure

Absolute pressure

Atmospheric pressure

002

Explanation

002

91. When preparing to perform an annual inspection, review all of the following forms for annotated discrepancies except

AFTO Form 95

AFTO Form 134

AFTO Form 244

AFTO Form 245

017

Explanation

017

92. What type of pressure reading is also referred to as overpressure?

Zero pressure

Gauge pressure

Absolute pressure

Atmospheric pressure

002

Explanation

002

93. What form is used to record limited technical inspections (LTI) on used vehicles?

AF Form 1800

AF Form 1807

AFTO Form 91

AFTO Form 92

009

Explanation

009

94. When documenting a cryogenic product issue to a liquid oxygen (LOX) cart on the Air Force Technical Order (AFTO) Form 134, how should odor test results be annotated in block 2?

As either “+” of “-“ in column A

As either “PASS” or “FAIL” in column B

As either “GO” or NO GO” in column C

As either “POS” or “NEG” in column D

020

Explanation

020

95. At what liquid level does the type III hydrant system product recovery tank overfill valve close?

75 percent full

80 percent full

85 percent full

90 percent full

011

Explanation

011

96. How is the fueling control valve opened to perform hot refueling operations?

By a flow switch located before the control pit

By air pressure from the deadman control valve

By fuel pressure from the deadman control valve

By a pressure switch located before the control pit

012

Explanation

012

97. Within what maximum amount of days of receipt will all new and used vehicles and equipment be inspected by the Air Force activity which receives it?

30

45

60

90

009

Explanation

009

98. Which of the following is not a reason for adding items to bench stock?

The unit of issue is not compatible with the unit of use

The FMFC feels the flight can’t wait for items to be delivered from the warehouse

A geographically separated location uses the item and the item must be at the using location

The item is not included in the AFMC initial spares support list for the equipment being supported

007

Explanation

007

99. How often should joint inventories for all individual tool kits (ITK) be accomplished?

Monthly

Quarterly

Semiannually

Annually

006

Explanation

006

100. How often are Phase I bench stock reviews conducted?

Monthly

Quarterly

Semiannually

Annually

007

Explanation

007