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ADX Exam Prep | 2012 - 2013 > ADX Systems Exam - October 2012 > Flashcards

ADX Systems Exam - October 2012 Flashcards

AVIA 208

1
Q

What is the max taxi or ramp weight of the Boeing 747-400?

A

144,000 lbs

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2
Q

What is the max TO [takeoff] weight of the Boeing 747-400?

A

143,500 lbs

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3
Q

Max landing weight?

A

121,000 lbs

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4
Q

Operating empty weight?

A

77,100 lbs

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5
Q

Fuel weight?

A

113,000 lbs

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6
Q

Length?

A

119.7”

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7
Q

Wingspan?

A

94.9”

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8
Q

What kind of engines does it have?

A

2 GE SNECMA CFM56-3B2, 22,000 lbs thrust each.

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9
Q

Max slope?

A

+ or - 2% maximum.

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10
Q

Maximum pressure altitude takeoff & landing altitude?

A

8,400 ft. pressure altitude.

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11
Q

What is the maximum cabin differential pressure for takeoff & landing?

A

.125 PSI (needed for doors during evacuation).

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12
Q

What is the maximum differential pressure?

A

8.65 PSI

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13
Q

How many outflow valves?

A
  1. 1, forward and 1 main.
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14
Q

Purpose of the valves?

A

To regulate the pressure in the main cabin.

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15
Q

How many pos. pressure relief valves?

A

2

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16
Q

Max cruising altitude?

A

37,000 ft.

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17
Q

<p>
Build a trace through for air conditioning system. Trace through primary/secondary heat exchanger, describe where the air goes once it leaves the water separator.</p>

A

<p>
Bleed air is fed to the PACK from the respective bleed air line whenever the PACK valve (shutoff) is open. This air first passes through a heat exchanger to -precool it. Next, the air passes through a compressor and then an expansion turbine (air cycle machine), which drastically cools it. This air is then mixed with warm air that bypassd the air cycle machine. Water is removed via a water separator. The resultant air is then sent to a mix manifold where it is distributed to the outlets of the aircraft.</p>

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18
Q

What is the total fuel capacity?

A

36,000 lbs (not gals)

Main Tanks(Wings): 10,643 Lbs. Each
	Center Tank: 16,422 Lbs.
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19
Q

What is the fueling limitation?

A

Wings have to be full before center tank.

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20
Q

How many engine driven fuel pumps?

A
  1. One for each engine.
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21
Q

Electric pumps?

A

6

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22
Q

Can you MEL a fuel pump?

A

Check the MEL.

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23
Q

APU draws power from which tank?

A

1

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24
Q

Fuel and defuel?

A

2

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25
Q

What is the purpose of the crossfeed valve pumps?

A

Defueling and feeding either engine from either tank.

26
Q

In which part of the airplane are the main tanks located?

A

Wings.

27
Q

The fuel temperature is taken from which tank?

A

1

28
Q

How many electric hydraulic pumps are there?

A

3 [system A, system B and standby]

29
Q

What does the standby system operate?

A

Thrust reversers, rudder, and leading edges.

30
Q

Which hydraulic system operates the leading edges normally?

A

B

31
Q

Landing gear?

A

A

32
Q

Auto-slats?

A

A

33
Q

What is the PTU and where does it get its power from?

A

Power Transfer Unit - System A.

34
Q

What does LTU stand for?

A

Landing Gear Transfer Unit - System B.

35
Q

Define a class A, B, and C fire.

A

Class A - Ordinary combustibles
Class B - Flammable liquids, gases
Class C - Electrical

36
Q

How many generators on the aircraft?

A
  1. Engine 1, engine 2, and APU.
37
Q

What kind of power on those generators? How many volts?

A

115 AC

38
Q

How many TRSs (Transformer Rectifier) on this aircraft?

A

3 - AC to DC

39
Q

How many inverters are there?

A

1 - DC to AC.

40
Q

How many batteries on the aircraft?

A
  1. 28 Volt DC.
41
Q

Can the APU be used to provide backup electrical power if you lose a main engine generator?

A

Yes.

42
Q

What else does the APU do?

A

Starts the engines using air.

43
Q 
<p>
	How many first class seats and how many economy seats are on this aircraft?</p>
A

<p>

| 8 and 138 respectively.</p>

44
Q

What is the max tailwind for TO/landing?

A

10 kts.

45
Q

What is the max latitude and longitude?

A

73N, 60S.

46
Q

What does TAI mean?

A

Thermal anti-ice.

47
Q

Where is TAI located on this aircraft?

A

Outboard leading edges of the wings, and engine cowl lips.

48
Q

How is the system actuated?

A

5th and 9th stage bleed air.

49
Q

How is the windshield anti-iced?

A

Electricity.

50
Q

How many sources of hot exist for PACKS?

A

Engine bleed, APU and ground.

51
Q

Max fuel weight distribution would look like what on each of these configurations?

a. 20,000 lbs
b. 15,000 lbs
c. 32,000 lbs

A

a. 10, 0, 10
b. 7.5, 0, 7.5
c. 10, 12, 10

52
Q

APU gets power from which tank?

A

Center.

53
Q

How does fire detection work on the aircraft?

A

A loop, B loop. Four detectors on each loop.

54
Q

How many fire extinguisher bottles are there onboard?

A

2.

55
Q

How many APU bottles?

A

1.

56
Q

Are the bottles interchangeable?

A

No.

57
Q

In case of a wheel well fire, what should you do to put out the fire?

A

Lower the landing gear.

58
Q

In case of a hydraulic failure, how can you lower the landing gear?

A

Manual override. [Pull the cables, gear drops by gravity.]

59
Q

What is the extinguishing agent used in the fire bottles?

A

Freon.

60
Q

Where are the recirculating air conditioner fans located?

A

Forward cargo compartment.

61
Q

Why isn’t there a constant speed drive for the APU electrical generator?

A

Because it runs at a constant speed.

62
Q

What is the max Lateral Fuel Imbalance between main tanks 1 & 2?

A

Must NOT exceed 1,000 Lbs. for taxi, takeoff, Flight, Landing.

ADX Exam Prep | 2012 - 2013 (32 decks)

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