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United B756 SV Question > Fuel (FM: 6.120) > Flashcards

Fuel (FM: 6.120) Flashcards

1
Q

757RR: To reduce electrical loads, the center tank pumps are normally inhibited in flight or on the ground when:
a) Both crossfeed valves are open
b) The landing gear is down and locked
c) The associated engine N3 is less than 50%
d) The fueling bay door is open

A

C) The associated engine N3 is less than 50%

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2
Q

757/767: According to the graphic, if the APU was not running, would these indications be normal?
a) No, the low pressure lights are armed only when the switch is ON
b) No, low pressure lights indicate three pumps have failed
c) No, the L FWD fuel boost pump PRESS light should be illuminated
d) No, the center pumps should have PRESS lights illuminated

A

C) No, the L FWD fuel boost pump PRESS light should be illuminated

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3
Q

757/767: Fuel is normally supplied to the APU from the left main fuel tank. While the APU is running, fuel is pumped by the:
a) Left center boost pump
b) DC powered boost pump
c) Left aft boost pump
d) Left forward boost pump

A

D) Left forward boost pump

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4
Q

757/767: Fuel is contained in a center tank and left and right main tanks. Additionally, located in each wing tip are surge tanks. Fuel from each surge tank is drained into:
a) The left main tank only
b) The associated main tank
c) The center tank
d) The right main tank only

A

B) The associated main tank

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5
Q

757/767: A fuel crossfeed VALVE light illuminates and the EICAS advisory message FWD FUEL X-FEED or AFT FUEL X-FEED displays if:
a) The crossfeed system is operating normally
b) The crossfeed valve position does not agree with the switch position
c) The crossfeed valve is open
d) The crossfeed valve position is in agreement with the switch position

A

B) The crossfeed valve position does not agree with the switch position

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6
Q

757/767: When center tank fuel is depleted, this will be indicated by:
a) EICAS caution messages L LOW CTR TANK FUEL and R LOW CTR FUEL
b) EICAS advisory messages CTR L FUEL PUMP and CTR R FUEL PUMP
c) EICAS warning message LOW FUEL
d) There is no indication to alert the crew

A

B) EICAS advisory messages CTR L FUEL PUMP and CTR R FUEL PUMP

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7
Q

757/767: According to the graphic, when all six fuel pumps are operating, the _________ provide fuel to the engines.
a) Center tank
b) Right tank
c) Left tank
d) Left or right tank, whichever is producing the highest output pressure

A

A) Center tank

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8
Q

757: The fuel temperature (TEMP) indication displays the temperature of fuel in the:
a) Right main tank
b) Center tank
c) Left main tank
d) Right surge tank

A

A) Right main tank

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9
Q

767: The fuel jettison system allows jettison from the _________.
a) Left main tank only
b) Right main tank only
c) Center tank only
d) Any tank is available for dumping

A

C) Center tank only

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10
Q

767: Two dual pump units provide a high capacity jettison rate of approximately _____ pounds per minute.
a) 2200
b) 1800
c) 2600
d) 1500

A

C) 2600

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11
Q

767: Positioning the FUEL JETTISON selector to ON automatically ________________ in order to reduce electrical demand.
a) Inhibits window heat to L-3/R-3 and selects STBY mode for equipment cooling
b) Inhibits all window heat and selects OVRD mode for equipment cooling
c) Inhibits window heat to L-3/R-3 and equipment cooling remains in AUTO mode
d) Inhibits window heat to L-3/R-3, and selects the OVRD mode in the equipment cooling system

A

D) Inhibits window heat to L-3/R-3, and selects the OVRD mode in the equipment cooling system

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12
Q

767: The fuel temperature (TEMP) indication displays the temperature of fuel in the:
a) Left main tank
b) Center tank
c) Right main tank
d) Left and right main tank, averaged

A

A) Left wing

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13
Q

767: When fuel quantity in the left and right main tanks differ by 2000 pounds (plus or minus 500 pounds) the ________ light illuminates and the corresponding EICAS advisory message is displayed.
a) FUEL REQUIRE
b) FUEL DISAGREE
c) FUEL LOW
d) FUEL CONFIG

A

D) FUEL CONFIG

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14
Q

757: When fuel quantity in the left and right main tanks differ by ______ pounds the FUEL CONFIG light illuminates and the corresponding EICAS advisory message is displayed.
a) 1600
b) 1500
c) 1800
d) 1200

A

C) 1800

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15
Q

757/767: According to the graphic, the fuel configuration (FUEL CONFIG) light is illuminated. Which statement provides the cause for illumination?
a) The left or right main tank contains more than 2200 pounds of fuel, and the center tank pump switches are ON
b) The left or right main tank contains more than 2200 pounds of fuel, and the center tank pump switches are OFF
c) The center tank contains more than 1200 pounds of fuel, and the center pump switches are ON
d) The center tank contains more than 1200 pounds of fuel, and the center tank pump switches are OFF

A

D) The center tank contains more than 1200 pounds of fuel, and the center tank pump switches are OFF

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16
Q

757/767: Crossfeed valves isolate the left fuel manifold from the right. These valves are normally closed, providing fuel feed from tank to engine. The valve(s) are opened:
a) Anytime it becomes necessary to transfer fuel from one main tank to the other
b) Anytime fuel quantity in the center tank is less than 1800 pounds
c) Anytime it becomes necessary to feed an engine from an opposite fuel tank
d) Anytime fuel quantity in the center tank is less than 1200 pounds

A

C) Anytime it becomes necessary to feed an engine from an opposite fuel tank

17
Q

757/767: When fuel quantity in the left and right main tanks differ by _____________ the FUEL CONFIG light illuminates and the corresponding EICAS advisory message is displayed.
a) Can be found on the FMC PROG page 2/2
b) 1800 lbs (757) and 2000+/-500 lbs (767)
c) 1200 pounds for both airplanes
d) 2200 pounds for both airplanes

A

B) 1800 lbs (757) and 2000+/-500 lbs (767)

18
Q

757/767: Which statement provides a situation that would cause the FUEL CONFIG light to illuminate?
a) A fuel imbalance of 1000 pounds exists between the left and right main tanks
b) The total usable fuel in the left or right main tank drops below approximately 2200 pounds
c) The center tank fuel is less than 1000 pounds with the center pump switches selected to ON
d) The total useable fuel in the center tank drops below approximately 1800 pounds

A

B) The total usable fuel in the left or right main tank drops below approximately 2200 pounds

19
Q

757/767 (as installed): The nitrogen generation system (NGS) converts bleed air to nitrogen-enriched air (NEA) during all phases of flight. The NEA is delivered to:
a) The center fuel tank to reduce flammability in the tank
b) The right main tank to reduce flammability in the tank
c) The left main tank to reduce flammability in the tank
d) All fuel tanks

A

A) The center fuel tank to reduce flammability in the tank

20
Q

757: With the center tank pumps off, remaining center tank fuel is automatically scavenged by a fuel scavenge ejector pump. A valve allows fuel to be discharged into the __________ when that tank is less than 50% full.
a) Associated fuel tank
b) Center tank only
c) Right main tank only
d) Left main tank only

A

D) Left main tank only

21
Q

767: With _______________, scavenge of remaining center tank fuel begins when the main tanks are approximately half full.
a) Center tank boost pumps turned off
b) Center tank boost pumps running or turned off
c) Center tank boost pumps still running
d) Left and right surge tank pumps running

A

A) Center tank boost pumps turned off

22
Q

767: when the center tank pumps are off, remaining center tank fuel is automatically scavenged into the___ by 2 jet pumps when the main tanks are approximately half full.

A) left main tank only
B) left and right surge tanks
C) right main tank only
D) associated left or right main tank

A

D) associated left or right main tank

23
Q

To reduce electrical loads, the center tank pumps are normally inhibited in flight or on the ground when:

A) both crossfeed valves are open
B) the associated N3 is less than 50%
C) the associated N2 is less than 50%
D) the fueling bay door is open

A

C) the associated N2 is less than 50%

United B756 SV Question (19 decks)

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