Back of book questions

Question 1

What would cause a PACK INOP light to illuminate?

Answer 1

Any of the following:

1) High pack outlet temp
2) Pack controller malfunction
3) High compressor outlet temperature

Question 2

TO conditions require that the packs be turned off. Is there any way to get air moving though the cabin?

Answer 2

Yes, the recirculation fans will move the air in the cabin.

Question 3

The Right pack outlet temperature is too high. What happens?

Answer 3

The R pack INOP light illuminates and it is set to produce maximum cooling

Question 4

What temperature will the pack produce if it is set to STBY N?

Answer 4

The pack will produce a constant moderate temp.

Question 5

What happens if the Master Trim Air Switch is placed to off?

Answer 5

The packs will try to maintain a constant temp of 24C or 75F in the cabin

Question 6

A zone temperature INOP light is illuminated. What could cause this?

Answer 6

Any of the following;
1- excessive air temp
2- cabin temp controller fault
3- trim air switch off
4- Zone switch off

Question 7

What can cause a Recirc fan INOP light to illuminate?

Answer 7

Any of the following;
1- The fan fails when the switch is ON
2- The fan switch is OFF
3- A utility bus load shed for the right fan
4- Pushing a cargo fire arm switch
5- Smoke is detected in the forward electronic equipment area

Question 8

How many air temp control zones are there on the b757?

Answer 8

three

Question 9

The left recirc fan INOP light is illuminated. What can the ALTN switch do?

Answer 9

It can open the overboard exhaust valve if it did not already do so when the left recirc fan turned off

Question 10

What is the source of head for the aft cargo compartment? What about the fwd cargo compartment?

Answer 10

Any of the following;
1- and electric heater
2- passenger compartment discharge air

Question 11

What are the control settings required for automatic control of the pressurization system?

Answer 11

AUTO 1 or AUTO 2 is selected. Set the desired AUTO RATE. Set the LDG altitude

Question 12

When does the cabin Alt light illuminate?

Answer 12

At 10,000ft MSL

Question 13

What is the Auto Rate limit for climb and descent when the auto rate knob is set at the index mark?

Answer 13

Climb- 500ft per minute

Descent- 300ft per minute

Question 14

What is the maximum normal differential pressure?

Answer 14

8.6psi

Question 15

When is the the outflow valve automatically closed?

Answer 15

When the cabin altitude reaches 11,000ft.

Question 16

What would cause the AUTO INOP light to illuminate?

Answer 16

When both AUTO 1 and AUTO are inop or the pressurization controller selector is in MANUAL

Question 17

During a climb, what determines what the cabin altitude rate of change should be?

Answer 17

The rate is proportional to the AC’s vertical speed

Question 18

Does the outflow valve actuator use AC or DC power?

Answer 18

AC power for automatic, and DC power for manual operation

Question 19

Is the alternate auto controller ever tested?

Answer 19

Yes, it goes through a self-test after landing

Question 20

Your destination is Denver. The landing altitude has been set above the scheduled cabin altitude. What happens?

Answer 20

The cabin altitude climbs at one half of the auto rate setting to the landing elevation, since it is higher than the cabin altitude.

Question 21

During TO, when does the THR hold mode engage?

Answer 21

80kts

Question 22

What is the pitch mode when you engage the first autopilot with neither flight director on?

Answer 22

vertical speed

Question 23

When does the go-around mode arm for the AFDS and autothrottle system?

Answer 23

Either at glide slope capture or when the flaps are out of UP

Question 24

You are executing a missed approach. What verticle speed is held by the autopilot?

Answer 24

2,000ft/minute minimum

Question 25

The AC is below 400ft. The go-around mode is engaged. What do you have to do to deactivate the go-around mode?

Answer 25

Disengage the autopilot, the autothrottle, and turn off both flight directors.

Question 26

Does the bank limit selector affects all modes?

Answer 26

No, only affects HDG SEL mode

Question 27

The flight director is on. However, the command bars are out of view. What does this indicate?

Answer 27

The flight director is not supplying valid commands

Question 28

What is the significance of an 'EPR' display on both ADIs?

Answer 28

The autothrottle system has entered the EPR mode

Question 29

During TO, the autothrottle is engaged. The a/t stops moving the throttle and one of them is below the takeoff value. Will the autothrottle system adjust that throttle?

Answer 29

No, you have to manually set that throttle

Question 30

The left autopilot is in CMD. What modes will the fligh director use?

Answer 30

Same mode as the engaged autopilot

Question 31

How do you verify the operation of the oxygen mask microphone?

Answer 31

Listen for the sound of oxygen flow in the flight interphone system

Question 32

What does the VHF TFR switch do?

Answer 32

Use it to select the VHR communications frequency.

Question 33

What station can be connected through the service interphone system?

Answer 33

All ground crew, the cockpit, and all cabin crew locations.

Question 34

What stations can be connected through the flight interphone system?

Answer 34

All flight crew and ground personnel at the nose gear station

Question 35

What is required in order to erase the cockpit voice recorder?

Answer 35

The following conditions must be met: 1- Aircraft on ground 2- parking break set 3- hold the erase button for at least 10secs

Question 36

What activates the flight recorder?

Answer 36

Either engine running, or in flight if electrical power is available

Question 37

What causes the standby power bus OFF light to illuminate?

Answer 37

loss of power to either the standby AC or DC bus

Question 38

What causes the the Generator Drive Light to illuminate?

Answer 38

Either high oil temperature or low oil pressure

Question 39

What normally powers the batter bus in cruise?

Answer 39

the left DC bus

Question 40

What has priority in supplying the ground handling bus?

Answer 40

External power

Question 41

The APU is supplying both electrical and pneumatics. What happens when the first engine is started?

Answer 41

both utility buses trip off

Question 42

Does the bus tie system parallel the engine generators?

Answer 42

no

Question 43

What has the highest priority on the left main AC bus?

Answer 43

the left engine driven generator

Question 44

What happens when a single fault is detected during a test of the engine fire detection system?

Answer 44

The system configures the affected engine for single loop operation.

Question 45

How is a loop fault indicated?

Answer 45

EICAS status message

Question 46

How many fire detectors are there in each cargo compartment?

Answer 46

two smoke detector in each.

Question 47

What happens when you pull the Engine Fire switch?

Answer 47

All of the following; 1- Engine and spar fuel valve close 2- thrust reverser is deactivated 3- The engine drive hydraulic pump is depressurized and the supply valve at the wing is closed. 4- the generator field is opened, which opens the breaker 5- Ignition is de-energized 6- the engine bleed valve is closed, and the APU bleed on the left Fire switch

Question 48

a fire is indicated in the left engine. You reach to pull out the left engine fire handle, but it will not move. What should you do?

Answer 48

Push the fire override switch and pull the handle

Question 49

What happens when you rotate the engine fire switch to the stop?

Answer 49

The selected fire extinguisher bottle is discharged

Question 50

what happens when the APU fire switch is pulled?

Answer 50

the APU will immediately shutdown if it is running

Question 51

What does pushing the forward cargo compartment extinguisher arming switch do?

Answer 51

All of the following; 1- arm the fire extinguisher squibs for the selected compartment 2- silences the fire warning bell 3- shuts off the right recirc fan, and right pack goes to high flow 4- shuts off the left recirc fan, the R pack goes to high flow, and the over board exhaust valve opens

Question 52

Why are there two switches for the aileron trim?

Answer 52

one switch arms the trim system, the other switch determines the direction

Question 53

which rudder actuator is automatically depressurized when the rudder ratio light illuminates?

Answer 53

the left rudder actuator

Question 54

what is the electric stabilizer trim rate when the stab trim light is illuminated?

Answer 54

half the full rate

Question 55

what is required for a successful yaw damper test?

Answer 55

hydraulic power and an IRS aligned

Question 56

what does an illuminated 'UNSCHED STAB TRIM' light indicate?

Answer 56

An uncommanded stabilizer movement, or the autopilot is moving opposite to which it was commanded.

Question 57

what is displayed in the main tank indicator during the fuel quantity test?

Answer 57

88.8

Question 58

the APU is powering the AC. Which pump is supplying fuel to the APU?

Answer 58

left forward fuel pump

Question 59

When does the DC fuel boost pump automatically start?

Answer 59

When the APU is started with battery power only.

Question 60

Where does the total fuel value comes from?

Answer 60

from the fuel quantity processor

Question 61

The APU is running on the ground. Can you turn off the left forward fuel pump?

Answer 61

No, there is an override circuit which keeps the pump operating

Question 62

Can the ram air turbine be retracted once it has been deployed?

Answer 62

no

Question 63

What happens to the hydraulic system when you pull an engine fire handle?

Answer 63

It closes the engine hydraulic pump supply valve at the top of the strut and it depressurizes the engine pump

Question 64

which hydraulic system flight controls are powered by the RAT?

Answer 64

the center

Question 65

lowest airspeed at which the RAT can provide adequate power to operate the flight controls?

Answer 65

130kts

Question 66

How can you tell the RAT is producing hydraulic pressure?

Answer 66

the RAT pressure light illuminates

Question 67

which hydraulic system has a volume of fluid dedicated to the reserve brake?

Answer 67

Right

Question 68

Can the RAT automatically deploy

Answer 68

yes, if both engines fail at above 80kts

Question 69

what will cause the PTU to operate?

Answer 69

left engine failure or low pressure from the left engine hydraulic pump

Question 70

what can the PTU power?

Answer 70

the flaps, the slats, the landing gear, and the nose wheel steering

Question 71

when does the probe heat operate?

Answer 71

automatically when any engine is running

Question 72

which windows are anti-fogged by conditioned air?

Answer 72

Captain and FO's windows

Question 73

how are the engine anti-ice valve controlled?

Answer 73

electrically controlled and pneumatically actuated

Question 74

which instrument source select panel switch should be selected to alternate if an ADI and HSI lose their displays?

Answer 74

EFI switch

Question 75

How long does it take the IRS to align?

Answer 75

ten minutes

Question 76

What is the steering authority with the nose steering tiller?

Answer 76

65 degrees left or right of center

Question 77

the auto brakes are armed for landing. When do the auto brakes actuate?

Answer 77

When all of the following are met: 1- both levers are at idle 2- wheel spin up occurs 3- wheel until is sensed (?)

Question 78

Which hydraulic system powers the normal brake system?

Answer 78

right

Question 79

which hydraulic system pressurizes the landing gear?

Answer 79

left

Question 80

Is auto brake availible in the alternate brake system?

Answer 80

no

Question 81

what is the minimum width for a 180 degree turn?

Answer 81

120ft

Question 82

What is an indication that the auto brake system is armed and functional?

Answer 82

The selector latches at the deceleration you selected

Question 83

When does the pax o2 system automatically deply?

Answer 83

when the cabin altitude reaches 14,000ft

Question 84

What does an illuminated BLEED light mean?

Answer 84

An engine bleed air over temp

Question 85

The left DUCK LEAK light is illuminated. When will it extinguish?

Answer 85

when the temperature along the pneumatic duct cools

Question 86

What is the meaning of an illuminated left or right DUCK LEAK light?

Answer 86

a wing pneumatic leak

Question 87

What happens if low pressure air is insufficient for pneumatic system operation?

Answer 87

The high pressure bleed valve opens

Question 88

How many ground pneumatic carts are recommended for engine start?

Answer 88

two

Question 89

What does the APU fault light mean?

Answer 89

the APU valve is in transit or an APU fault

Question 90

What is the minimum req to start the APU

Answer 90

An APU battery and a main battery

Question 91

What happens if the APU fault light illuminates while the APU is running?

Answer 91

The APU shuts down immediately

Question 92

What happens when you close the fuel control switch?

Answer 92

it closes the engine and spar valve, and de-energizes the ignition

Question 93

When should the engine start selector automatically move to AUTO?

Answer 93

50% n2

Question 94

How does the standby engine indicator operate with the selector in AUTO?

Answer 94

Any of the following: 1) both EICAS computer must fail 2) loss of AC power 3) one EICAS screen availible on the ground and the STATUS button is pushed

Question 95

When are warnings inhibited during takeoff?

Answer 95

At rotation. it lasts for 20secs or 400ft radio altimeter whichever comes first