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756 Training > SV Air Systems > Flashcards

SV Air Systems Flashcards

1
Q

757/767 if the pack automatic control system failed, what would be indicated

A

The INOP light only

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2
Q

757/767 the AUTO RATE knob sets limit … index mark establishes approximately ___ FPM climb and ___ FPM descent limit

A

500,300

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3
Q

757/767 the FWD cab compartment temperature inop light is illuminated. What is a possible cause

A

Fault or overheat in the zone temperature controller

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4
Q

767 the right engine bleed air overheat light is illuminated. What does this indicate

A

An engine bleed air overheat

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5
Q

757/767 the auto inop light is illuminated, what could cause this?

A

Both auto controllers have failed

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6
Q

757 the two cargo compartments are heated by discharge air… supplemental heating is accomplished by

A

An electric heater in the duct downstream of the fan

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7
Q

757/767 the R pack has shut down due to the compressor temperature exceedance … is that the correct indication

A

Yes the inop and pack off lights should be illuminated

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8
Q

767 eicas advisory message fwd eqpt smoke displays and ____

A

The smoke light illuminates

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9
Q

767 the equipment cooling system NO COOLING light is illuminated. What position is the switch in

A

OVRD

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10
Q

757/767 On the ground when does the pressurization system begin pressurizing the aircraft

A

When the throttles are advanced for takeoff

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11
Q

757 the right engine bleed air off light is illuminated what is the position of the right engine bleed air valve

A

Closed

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12
Q

757/767 on the cabin altitude control panel, the auto inop light is illuminated

A

MODE SELECT switch is in MAN

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13
Q

757/767 what will occur if the selected auto 1/2 controller fails

A

Control is automatically switched to the other controller

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14
Q

757 757: Air is circulated through the forward E/E racks by one of two supply fans. If the operating fan fails, what starts the alternate fan?

A

Pressing the EQUIP COOLING switch to the ALTN position

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15
Q

757: The right engine BLEED light is illuminated. What does this indicate?

A

The right engine bleed air temperature is excessive

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16
Q

757/767: What will the pack do when both the INOP and PACK OFF lights illuminate?

A

Shut down

17
Q

757/767: If there were to be excessive pack outlet temperature, which lights) would illuminate?

A

INOP only

18
Q

757/767: On the ground, what would cause the high flow schedule to be automatically activated for both packs during single-engine taxi?

A

APU supplying air to both packs

19
Q

767: The equipment cooling system OVHT light is illuminated. What caused it’s illumination?

A

There is low airflow or high temperature sensed

20
Q

757/767: The engine bleed air valves (pressure regulating and shut off valve [PRSOV) are

A

Electrically controlled and pressure actuated

21
Q

757/767: The pressurization system is in the automatic mode when the cabin altitude mode selector is set to AUTO 1 or AUTO 2. According to the graphic, what would the pressurization system do if the AUTO 2 controller were to fail?

A

Control is automatically switched to the AUTO 1 controller

22
Q

767: The equipment cooling system VALVE light is illuminated. What is a possible cause for it’s illumination?

A

One or more forward equipment cooling supply or exhaust valves are not in their commanded position after engines are started

23
Q

757/767: The high flow schedule is automatically activated to provide higher-than-normal air flow when

A

One pack is inoperative

24
Q

757: High flow to the opposite pack is inhibited when:

A

The RPM of either engine falls below a preset value

25
Q

757: The APU BLEED AIR VALVE light is illuminated and EICAS advisory message APU BLEED VAL is displayed. What does this indicate?

A

The APU bleed air valve is not in the commanded position

26
Q

757: The ISOLATION VALVE light is illuminated. What does this indicate?

A

The isolation valve is not in the commanded position

27
Q

757: The left engine HI STAGE light is illuminated. What does this indicate?

A

The left engine bleed system pressure is excessive and the engine high pressure bleed air valve is automatically locked closed

28
Q

753/767: The aircraft is divided into temperature zones.

A

4

29
Q

757/767: If a return to the departure airport is necessary, how must the crew set the pressurization

A

The landing altitude must be roset for return to the departure airport

30
Q

757/767: If you position one of the compartment temperature control knobs to the OFF position, what will happen?

A

The associated compartment INOP light will illuminate

31
Q

757: The right DUCT LEAK light is illuminated. What does this indicate?

A

A high temperature bleed air leak is detected

756 Training (16 decks)

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