WFM Vol. 3B

1. What positions are on the pump control switch?

HAND/OFF.

HAND/AUTO.

HAND/OFF/AUTO.

HAND/OFF/MANUAL

2. Most emergency service calls involve

Electrical shorts.

No fuel delivery.

Minor leaks.

Jammed valves.

3. What component closes the main valve of the 302AF fueling/defueling valve when there is excess flow at the hydrant outlet?

CRD.

CDHS–3.

Loading CRL.

CV flow control.

4. What type of ground rods are hydrant outlets grounded to in the piping system of the Type II Hydrant System?

Tin.

Cast steel.

Black iron

Galvanized/stainless steel.

5. A damaged diaphragm on the pressure reducing control is indicated by

An uncontrolled downstream flow.

A fuel leakage from the vent port.

Uncontrolled downstream pressure.

Fuel leaking from the disc removal plug.

6. Approximately how long do you want it to take the fueling valve to open when you adjust the CV flow control on the 302AF fueling and defueling valve?

10 seconds.

20 seconds.

30 seconds.

40 seconds.

7. What switch, on the Type IV pump control panel, looks like a red mushroom?

Light test.

Fire alarm.

System reset.

Emergency stop.

8. The primary purpose of the orifice plate on the 302AF fueling and defueling valve is to create differential

Pressure to operate the CDHS–2.

Pressure to operate the CDHS–3.

Flow to operate the CDHS–2.

Flow to operate the CDHS–3.

9. The pressure/flow recorder indicates which of the following?

System pressure and issue flow rate.

System pressure and issue/return flow rates.

Issue/return flow rates and tank liquid level.

Filter/separator differential pressure and tank liquid level.

10. How many hydrant outlets are served by each Panero pit?

1

2

3

4

11. If the cover chamber pressure on a 90AF–8 refueling control valve stays between the inlet and outlet pressure, the valve

Pulsates.

Modulates.

Opens fully.

Closes fully.

12. What happens if the third pump is called on automatically in a Type III system and fails to start?

The next pump in the predetermined sequence is called on.

Only the lead and second pump continue to run.

An alarm will sound and the entire system shuts down.

A light in the pumphouse illuminates and a vibrating horn sounds.

13. What happens to auxiliary hytrols A and B, on the 90AF–8 refueling control valve, when excess flow trips the CDHS–3 pressure differential control?

A and B close.

A and B open.

A opens and B closes.

A closes and B opens.

14. What is the probable cause when the 41AF–10 main valve opens during refueling?

Leakage through normally open solenoid valve.

Leakage through normally closed solenoid valve.

Leakage through solenoid valve during slow flow.

Check valve installed backwards.

15. The Type III system must be flushed

When it is not used in 30 days.

Before servicing an aircraft.

After defueling an aircraft.

After servicing an aircraft.

16. What do blue lines on the Type IV pump control panel graphic display represent?

The receiving line.

The pump suction line.

The pump discharge and fueling loop.

The system refueling loop return line.

17. A Type III operating storage tank level indicator servo compartment must be approved for hazardous locations and listed for use in Class I

Division I, Group C.

Division I, Group D.

Division II, Group C.

Division II, Group D.

18. To set up the pump control panel for fueling on the Type III system, after selecting the lead pump, you then place the system in

Manual and push the SYSTEM STOP button

Manual and push the SYSTEM START button

Automatic and push the SYSTEM STOP button

Automatic, and push the SYSTEM START button.

19. What lateral control pit component automatically cuts off the defuel pump when a predetermined amount of inches of mercury is reached?

Solenoid control switch.

Pump circuit breaker.

Vacuum control switch.

Panel selector switch.

20. After activating an emergency stop switch at the Type II hydrant outlet, you reset the system to refuel by

Placing the magnet on the refuel magnetic control station switch.

Placing the cover back on the emergency switch.

Manually resetting the controls in the lateral control pit.

Manually resetting the controls in the pumphouse control room.

21. What components are energized when you place a magnet on the refuel contact points at the hydrant in the modified Panero system?

The 302AF electrical solenoid only.

The deep-well pump only.

The 302AF solenoid and the defueling pump.

The deep-well turbine pump and 302AF electrical solenoid.

22. To remedy a leakage on the Philadelphia hydrant adapter, which one of the following would you usually replace?

The coupling poppet.

The vacuum breaker.

The flange gasket.

The solenoid.

23. How many manual valves are found in the lateral control pit of the Pritchard system?

1

2

3

4

24. When the cover chamber pressure of the 90AF–8 refueling control valve is at least as great as the inlet pressure, the valve will

Pulsate.

Modulate.

Open fully.

Close tightly.

25. When defueling stops, the 352AF hydrant adapter controls its own fuel level in order to

Keep moisture out of the system.

Prevent corrosion in the piping system.

Keep the fuel pressure from getting too high.

Prevent air from entering the installed piping system.

26. Solenoid "B" on the 58AF–9–1 defuel/flush valve energizes to allow the main valve to open only when the

Fueling pumps are started manually.

Fueling pumps are started automatically.

System is placed in the flush mode.

System is placed in the automatic mode.

27. When is the solenoid on the 58AF–3 pressure control valve on the Type IV system deenergized?

When any pump is in the manual mode.

When any pump is off.

When any pump is in the automatic mode.

When all pumps are off.

28. When you place a magnet on the defuel magnetic control switch, during defueling, the solenoids on the

Refueling control valve and defueling valve are energized.

Defueling control valve and the defuel pump are energized.

Rate-of-flow control valve and defuel pump are energized.

Defueling control valve and deep-well turbine pumps are energized.

29. What type steel is used in the control tubing of the Type III system?

Copper.

Carbon

Galvanized

Seamless stainless.

30. The 362AF–8 hydrant control valve opens when an aircraft is refueling. It opens by using the

Remote-sensing pressure reducing control.

Control valve flow control valve.

Hydraulic deadman.

The pneumatic deadman.

31. How long will the back-up battery maintain the Type III microprocessor's memory?

15 days maximum.

30 days minimum.

45 days maximum.

60 days minimum.

32. Which statement best describes what is removed from the strainer orifice used on the 50AF–2 pressure relief valve?

Only the primary jet.

Only the secondary jet.

The primary and secondary jets.

Neither the primary nor secondary jet.

33. How often should you check the 50AF–2 pressure relief valve to it is opening and relieving pressure?

Yearly

Semi-annually

Quarterly.

Monthly.

34. The components of the 134AF defueling control valve include: a valve position indicator, solenoid

Flow clean strainer, and ejector.

Ejector, and pressure relief valve.

Orifice strainer, and pressure relief valve.

35. What condition exists when fuel leaks past the 134AF main valve disc and seat?

The 50AF–2 valve does not open.

Hydrant pressure becomes very high.

The defuel pump rotates slowly during refueling.

The refueling valve opens and closes.

36. Defining the temperature rating for motors used with the fueling pumps in the Type III system is the responsibility of the

National Fire Protection Agency 70.

Major command fuels engineer.

American Petroleum Institute.

National Society of Engineers.

37. Each issue filter separator in the Type III system israted for how many gallons per minute?

600

800

1200

2400

38. To flush a Type III system, you must turn the selector switch on the pump control panel to

“flush” and all available pump switches to “hand.”

“automatic” and all available pump switches to “hand.”

“flush” and half the available pump switches to “automatic.”

“automatic” and half the available pump switches to “automatic.”

39. When does the high level light go out once the operator has acknowledged an activated alarm on a Type IV operating storage tank?

Immediately after the operator acknowledges the alarm.

As soon as the high-high level alarm is activated.

When fuel is removed to below the low level alarm setting.

When fuel is removed to below the high level alarm setting.

40. When fuel reaches the high-high level alarm setting, the High-High Level Alarm window on the pump control panel (PCP) is activated on a Type III operating storage tank. How do you see and hear the warnings?

By a flashing PCP and vibrating horn sounds.

By an illuminating PCP and vibrating horn sounds.

By a flashing PCP and resonating horn sounds.

By an illuminating and resonating horn sounds.

41. At what full percentage does the overfill valve close in the product recovery tank in the Type III system?

65.

70.

75.

80.

42. What size mesh screen is used in the receiving strainer of a Type IV system?

40

60

80

100

43. When operating normally, what part on the 302AF fueling/defueling valve restricts the flow of fuel in the control tubing and will not close?

Ejector strainer.

CV flow control.

Pressure relief control.

Pressure-reducing control.

44. What pressure rate must you establish before setting the pressure relief control on the 90AF–8 refueling control valve?

2 to 3 pounds per square inch (psi) above normal downstream pressure.

2 to 3 psi above normal upstream pressure.

5 psi above normal downstream pressure.

5 psi above normal upstream pressure.

45. Where is the ball float for the 413AF–5A high-level shut-off valve on an operating storage tank located?

On top of the tank in the float well.

On top of the tank in the gauging well.

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

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

46. What do blue lines represent on the Type III pump control panel line drawing?

Pressure relief.

Water draw off.

Pump discharge.

Hydrant loop return.

47. What does the first symbol in a rung of ladder logic represent?

Contacts.

Timer.

Output.

Counter.

48. At what pressure, in pounds per square inch, does the 58AF–9 back pressure control valve open to control the hydrant loop pressure?

80 at the nearest hydrant outlet.

80 at the farthest hydrant outlet.

100 at the nearest hydrant outlet.

100 at the farthest hydrant outlet.

49. What component houses the defuel pump for the Type III system?

The pumphouse.

The lateral control pit.

The hydrant outlet pit.

The hydrant servicing vehicle.

50. The first adjustment you make, when setting the pressure on the 302AF fueling and defueling valve, is establishing a pressure gauge reading of 10 psi above the desired delivery

Pressure-reducing control (CRD) clockwise.

Loading pressure-relief control (CRL) clockwise.

CRD counterclockwise.

Loading CRL counterclockwise.

51. Reference figure 2–7. Which of these would probably cause the 90AF–8 refueling control valve to open, then close?

Auxiliary hytrol A closing.

CDHS–3 tripping.

Solenoid never energized.

Pressure relief control set too high.

52. Which component on the 41AF rate-of-flow control valve causes the main valve to throttle?

Ejector.

Solenoid.

Hytrol check.

Differential control.

53. Where is the issue venturi tube located on the Type III system?

Upstream of the emergency shut-off valve.

Upstream of the two solenoids

Downstream of the two solenoids

D. Downstream of the emergency shut-off valve.

54. What type fueling pumps are used in a Type IV cut and cover tank?

Deep well turbine pumps, 600 gallons per minute (gpm).

Deep well turbine pumps, 1200 gpm.

Horizontal centrifugal pumps, 600 gpm.

Horizontal centrifugal pumps, 1200 gpm.

55. During an aircraft refueling, as demand for fuel flowing through the 362AF–7 refueling control valve decreases in a Type IV system, flow increases through the

Issue venturi.

Return venturi.

41AF–2C valve.

136AF–9B valve.

56. What are the low and high settings (pounds per square inch {psi}), respectively, for the pressure relief controls on the 51AF–4 valve?

5 psi and 5 psi above the CRL on the 90AF–8.

5 psi and 5 psi above the CRL on the 50AF–2.

10 psi and 5 psi above the CRL on the 90AF–8.

10 psi and 5 psi above the CRL on the 50AF–2.

57. What happens to the lead, second, third and fourth pumps when the issue venturi senses 2,400 gpm and the return venturi senses 1,000 gpm for 15 seconds?

The fourth pump is called on.

The fourth pump is called off.

The four pumps are called off

The four pumps continue to run.

58. To adjust the flow rate of the differential control on the 41AF rate-of-flow control valve, you must turn the adjusting screws

Clockwise for maximum spring tension.

Clockwise for minimum spring tension.

Counterclockwise for maximum spring tension.

Counterclockwise for minimum spring tension.

59. A gallons per minute displacement meter is used in the receiving line of a Type III system. Which type does it use?

600 positive.

1200 positive

600 non-positive

1200 non-positive

60. What size piping is used to connect the pressure reliefs and other drains to the product recovery tank in a Type III system?

1/2-inch

1-inch

1 1/2-inch

2-inch.

61. What size is the product recovery tank?

2,000 gallons

3,000 gallons

4,000 gallons

5,000 gallons

62. One purpose of the flow switch in the Type III system is to

Call on the fueling pump.

Lock on the fueling pump.

Call on the secondary pump.

Lock on the secondary pump.

63. The pressure relief control, on the 90AF–8 is set to

5 pounds per square inch (psi) higher than the normal operating pressure.

5 psi higher than the inlet pressure of the 90AF–8.

5 psi higher than the 51AF–4.

5 psi higher than the normal inlet pressure of the 51AF–4.

64. At what maximum differential pressure, in pounds per square inch (psi) does the 352AF hydrant adapter's automatic bypass valve open?

15

25

35

45

65. Before adjusting the high pressure relief control on the 51AF–4 valve, you must also adjust the pressure reducing control (CRD) on the 90AF–8 valve to

2 psi above normal operating pressure

3 psi above normal operating pressure

5 psi above normal operating pressure

10 psi above normal operating pressure.

66. What is the standard American Petroleum Institute (API) rate and gallons per minute (gpm) of receiving filter separators used in the Type III system?

1529, 600 gpm

1529, 1200 gpm.

1581, 600 gpm.

1581, 1200 gpm.

67. How often is the 134AF defueling control valve operationally inspected?

Monthly

Quarterly.

Semi annually.

Annually.

68. How often is the 41AF–10 inspected?

Monthly.

Quarterly

Semiannually.

Annually

69. What type piping, 12 inches in diameter, is used in the hydrant loop of a Type III system?

Carbon steel, schedule 80S.

Carbon steel, schedule 40S

Stainless steel, schedule 20S.

Stainless steel, schedule 10S.

70. When fuel reaches the high level alarm setting on a Type III operating storage tank, one warning is given by the High-Level Alarm window on the pump control panel (PCP). How do you see and hear the warning?

When the PCP flashes and a vibrating horn sounds.

When the PCP illuminates and a vibrating horn sounds.

When the PCP flashes and a resonating horn sounds.

When the PCP illuminates and a resonating horn sounds.

71. When the two solenoids on the 136AF–9B emergency shut-off valve are energized, what happens to the valve?

It closes only

It opens only

It reenergizes.

It free floats

72. What type fuel dispensing hose is installed on a Type IV hose-end pantograph?

3-inch, API 1529, hardwall.

4-inch, API 1581, hardwall.

3-inch, API 1529, semi-hardwall.

4-inch, API 1581, semi-hardwall.

73. What condition would cause a resonating horn to sound on a Type IV system?

Emergency stop.

Engine-generator fault.

Product recovery tank leak.

High level oil/water separator.

74. What size suction header is used in the Type III system?

6-inch

8-inch

12-inch.

16-inch

75. At what pounds per square inch does the 58AF–3 pressure control valve close?

60

65

70

75

76. What valve is used as the flush valve in a Type IV system?

58E–47.

58F–47.

136AF–5B.

136AF–9B.

77. What delivery pressure causes the fueling side, of the 302AF fueling and defueling valve, to close when turning the adjusting screw on the loading pressure relief control counterclockwise?

5 psi above normal inlet pressure.

5 psi above normal operating pressure.

10 psi above normal inlet pressure.

10 psi above NOP.

78. Reference figure 2–7. If the 90AF–8 refueling control valve fails to control delivery pressure, which trouble could cause the problem?

The solenoid is not energized.

A ruptured diaphragm in hytrol A.

The CV flow control is not set properly.

The pressure relief control is set too low.

79. The primary purpose of having 5 psi in the lateral piping on the 51AF–4 rapid defuel valve is to

Relieve excess pressure during refueling.

Make sure the defuel piping stays full of fuel.

Make sure the hydrant outlet line stays full of fuel.

Prevent reverse flow during rapid flow defueling.

80. Reset the control panel.

Reset the control panel.

Clean the receiving strainer.

Manually reset the 40–28G.

Manually reset the CDHS–3A.

81. How is excess pressure relieved on the 2129AF overfill valve using the product recovery piping system in the Type III system?

By opening, then and closing to bleed pressure into the overfill valve.

The pressure relief control bleeds pressure around the valve.

The pressure reducing control bleeds pressure around the valve

A manual valve opens to bleed pressure directly into the tank.

82. The switch assembly automatically energizes the fuel transfer pump, on the product recovery tank in a Type III system, when the tank is

65 percent full.

70 percent full

75 percent full

80 percent full

83. The 40–28G bypass valve opens and fuel bypasses the receiving separators when fuel is received from a cross-country pipeline on the Type III system. The differential pressure causing this action occurs when

15 psi is sensed across the receiving separator.

15 psi is sensed across the orifice plate on the receiving separator.

10 psi is sensed across the receiving separator.

10 psi is sensed across the orifice plate on the receiving separator.

84. In a Type IV system, pressure indicating transmitters are located on the

Issue line upstream of the 136AF–9B.

Issue line downstream of the 136AF–9B.

Return line upstream of the 58AF–9–1.

Return line downstream of the 58AF–9–1.

85. According to the troubleshooting guide (fig. 2–23), which component has failed if fuel is bypassed during a fueling operation?

Solenoid failed to deenergize.

Solenoid failed to energize.

CV-flow control.

Low-pressure relief control.

86. The 413AF–5A high-level shut-off valve's closing feature and rotary disc assembly can be tested without filling the tank up with fuel to the high level shut-off point by

Pushing the test button on the pump control panel.

Pushing the test button in the pumphouse.

Using a manual tester on the high-level shut-off valve

Using a manual tester on the high-level shut-off float assembly.

87. After refueling an aircraft and the lead pump deenergizes, at what pounds per square inch (psi) does the 58AF–9–1 defuel/flush valve close?

70.

75

80

85

88. During refueling, at what pressure, in pounds per square inch, does the pantograph pressure control valve relieve excess pressure?

45

55

65

75

89. What pounds per square inch backpressure does the pressure relief control maintain on the high level shut-off valve on a Type IV underground operating storage tank?

5

6

7

8

90. What type piping is used on the pressure relief and drain system for a 2-inch pipe in a Type IV system?

Seamless stainless steel, schedule 40.

Seamless stainless steel, schedule 80.

Epoxy-coated carbon steel, schedule 40.

Epoxy-coated carbon steel, schedule 80

91. When the flush valve on a Type IV system is placed in the pantograph flush mode, the solenoid is

Energized and the main valve opens.

Energized and the main valve closes.

Deenergized and the main valve opens.

Deenergized and the main valve closes.

92. What type piping is used on the main fuel line of a Type IV system for a 2-inch pipe?

Epoxy-coated carbon steel, schedule 40.

Epoxy-coated carbon steel, schedule 80.

Seamless stainless steel, schedule 10S.

Seamless stainless steel, schedule 20.

93. The standard pressure setting, on the 502AF–2 pressure valve's pressure relief control (CRL), is based on the 90AF–8 refueling valve's pressure of

2–3 psi above its normal operating pressure

2–3 psi above its normal inlet pressure

10 psi above its normal operating pressure.

10 psi above its normal inlet pressure

94. What type piping is used downstream of the Type IV issue filter separator for a 6-inch pipe?

Seamless stainless steel, schedule 40.

Seamless stainless steel, schedule 80.

Epoxy-coated carbon steel, schedule 40.

Epoxy-coated carbon steel, schedule 80.

95. During refueling, which 302AF fueling and defueling valve component holds the defuel side of the main valve inlet closed?

Loading CRL

CDHS–3

Solenoid.

Hytrol.

96. At what differential pressure must the receiving strainer in the Type III system be cleaned?

3 psi

10 psi.

15 psi.

20 psi.

97. What gallons per minute points must be calibrated on the return venturi's high range differential pressure transmitter?

0, 560, 700.

0, 560, 1200

40, 600, 1200.

40, 600, 2400

98. What mill ampere (mA) signal does the issue differential pressure transmitter send when 1,200 gallons per minute flows through the issue venturi in the Type III system?

4mA

8mA

12mA

20mA

99. When a Type IV system is placed in the 'loop flush' mode, the solenoid on the 136AF–5B flush valve

Energizes to open the main valve.

Energizes to close the main valve.

Deenergizes to close the main valve.

Deenergizes to open the main valve.

100. When a Type IV system is placed in the 'pantograph flush' mode, the solenoid on the 136AF–5B flush valve

Energizes to open the main valve.

Deenergizes to open the main valve.

Deenergizes to close the main valve.

Wfm Vol. 3b

1. What positions are on the pump control switch?

2.

What first name or nickname would you like us to use?

2. Most emergency service calls involve

3. What component closes the main valve of the 302AF fueling/defueling valve when there is excess flow at the hydrant outlet?

4. What type of ground rods are hydrant outlets grounded to in the piping system of the Type II Hydrant System?

5. A damaged diaphragm on the pressure reducing control is indicated by

6. Approximately how long do you want it to take the fueling valve to open when you adjust the CV flow control on the 302AF fueling and defueling valve?

7. What switch, on the Type IV pump control panel, looks like a red mushroom?

8. The primary purpose of the orifice plate on the 302AF fueling and defueling valve is to create differential

9. The pressure/flow recorder indicates which of the following?

10. How many hydrant outlets are served by each Panero pit?

11. If the cover chamber pressure on a 90AF–8 refueling control valve stays between the inlet and outlet pressure, the valve

12. What happens if the third pump is called on automatically in a Type III system and fails to start?

13. What happens to auxiliary hytrols A and B, on the 90AF–8 refueling control valve, when excess flow trips the CDHS–3 pressure differential control?

14. What is the probable cause when the 41AF–10 main valve opens during refueling?

15. The Type III system must be flushed

16. What do blue lines on the Type IV pump control panel graphic display represent?

17. A Type III operating storage tank level indicator servo compartment must be approved for hazardous locations and listed for use in Class I

18. To set up the pump control panel for fueling on the Type III system, after selecting the lead pump, you then place the system in

19. What lateral control pit component automatically cuts off the defuel pump when a predetermined amount of inches of mercury is reached?

20. After activating an emergency stop switch at the Type II hydrant outlet, you reset the system to refuel by

21. What components are energized when you place a magnet on the refuel contact points at the hydrant in the modified Panero system?

22. To remedy a leakage on the Philadelphia hydrant adapter, which one of the following would you usually replace?

23. How many manual valves are found in the lateral control pit of the Pritchard system?

24. When the cover chamber pressure of the 90AF–8 refueling control valve is at least as great as the inlet pressure, the valve will

25. When defueling stops, the 352AF hydrant adapter controls its own fuel level in order to

26. Solenoid "B" on the 58AF–9–1 defuel/flush valve energizes to allow the main valve to open only when the

27. When is the solenoid on the 58AF–3 pressure control valve on the Type IV system deenergized?

28. When you place a magnet on the defuel magnetic control switch, during defueling, the solenoids on the

29. What type steel is used in the control tubing of the Type III system?

30. The 362AF–8 hydrant control valve opens when an aircraft is refueling. It opens by using the

31. How long will the back-up battery maintain the Type III microprocessor's memory?

32. Which statement best describes what is removed from the strainer orifice used on the 50AF–2 pressure relief valve?

33. How often should you check the 50AF–2 pressure relief valve to it is opening and relieving pressure?

34. The components of the 134AF defueling control valve include: a valve position indicator, solenoid

35. What condition exists when fuel leaks past the 134AF main valve disc and seat?

36. Defining the temperature rating for motors used with the fueling pumps in the Type III system is the responsibility of the

37. Each issue filter separator in the Type III system israted for how many gallons per minute?

38. To flush a Type III system, you must turn the selector switch on the pump control panel to

39. When does the high level light go out once the operator has acknowledged an activated alarm on a Type IV operating storage tank?

40. When fuel reaches the high-high level alarm setting, the High-High Level Alarm window on the pump control panel (PCP) is activated on a Type III operating storage tank. How do you see and hear the warnings?

41. At what full percentage does the overfill valve close in the product recovery tank in the Type III system?

42. What size mesh screen is used in the receiving strainer of a Type IV system?

43. When operating normally, what part on the 302AF fueling/defueling valve restricts the flow of fuel in the control tubing and will not close?

44. What pressure rate must you establish before setting the pressure relief control on the 90AF–8 refueling control valve?

45. Where is the ball float for the 413AF–5A high-level shut-off valve on an operating storage tank located?

46. What do blue lines represent on the Type III pump control panel line drawing?

47. What does the first symbol in a rung of ladder logic represent?

48. At what pressure, in pounds per square inch, does the 58AF–9 back pressure control valve open to control the hydrant loop pressure?

49. What component houses the defuel pump for the Type III system?

50. The first adjustment you make, when setting the pressure on the 302AF fueling and defueling valve, is establishing a pressure gauge reading of 10 psi above the desired delivery

51. Reference figure 2–7. Which of these would probably cause the 90AF–8 refueling control valve to open, then close?

52. Which component on the 41AF rate-of-flow control valve causes the main valve to throttle?

53. Where is the issue venturi tube located on the Type III system?

54. What type fueling pumps are used in a Type IV cut and cover tank?

55. During an aircraft refueling, as demand for fuel flowing through the 362AF–7 refueling control valve decreases in a Type IV system, flow increases through the

56. What are the low and high settings (pounds per square inch {psi}), respectively, for the pressure relief controls on the 51AF–4 valve?

57. What happens to the lead, second, third and fourth pumps when the issue venturi senses 2,400 gpm and the return venturi senses 1,000 gpm for 15 seconds?

58. To adjust the flow rate of the differential control on the 41AF rate-of-flow control valve, you must turn the adjusting screws

59. A gallons per minute displacement meter is used in the receiving line of a Type III system. Which type does it use?

60. What size piping is used to connect the pressure reliefs and other drains to the product recovery tank in a Type III system?

61. What size is the product recovery tank?

62. One purpose of the flow switch in the Type III system is to

63. The pressure relief control, on the 90AF–8 is set to

64. At what maximum differential pressure, in pounds per square inch (psi) does the 352AF hydrant adapter's automatic bypass valve open?

65. Before adjusting the high pressure relief control on the 51AF–4 valve, you must also adjust the pressure reducing control (CRD) on the 90AF–8 valve to

66. What is the standard American Petroleum Institute (API) rate and gallons per minute (gpm) of receiving filter separators used in the Type III system?

67. How often is the 134AF defueling control valve operationally inspected?

68. How often is the 41AF–10 inspected?

69. What type piping, 12 inches in diameter, is used in the hydrant loop of a Type III system?

70. When fuel reaches the high level alarm setting on a Type III operating storage tank, one warning is given by the High-Level Alarm window on the pump control panel (PCP). How do you see and hear the warning?

71. When the two solenoids on the 136AF–9B emergency shut-off valve are energized, what happens to the valve?

72. What type fuel dispensing hose is installed on a Type IV hose-end pantograph?

73. What condition would cause a resonating horn to sound on a Type IV system?

74. What size suction header is used in the Type III system?

75. At what pounds per square inch does the 58AF–3 pressure control valve close?

76. What valve is used as the flush valve in a Type IV system?

77. What delivery pressure causes the fueling side, of the 302AF fueling and defueling valve, to close when turning the adjusting screw on the loading pressure relief control counterclockwise?