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ATPL 2019 > AGK > Flashcards

AGK Flashcards

1
Q

CS25 Major Failure

A

Aircraft: Significant Reduction

Occupants: Physical Distress, possibly including injuries.

Crew: Discomfort, a significant increase in workload

Remote Probability

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2
Q

CS25 Minor Failure

A

Occupants: Physical discomfort

Aircraft: Slight reduction in functional capabilities/safety margins.

Crew: Slight increase in workload

Probable.

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3
Q

CS25 Hazardous

A

Occupants: Serious/fatal injuries to a small number of PAX or Crew.

Aircraft: Large reduction in functional capabilities/safety margins.

Crew: Excessive workload

Extremely Remote

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4
Q

CS25 Catastrophic

A

Multiple fatalities

Hull loss

Fatality or incapacitation

Extremely improbable.

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5
Q

CS25 Max cabin altitude?

A

8000ft

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6
Q

Oxygen masks should be presented to passengers at what max cabin altitude?

A

15,000ft

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7
Q

Auto-brake activated?

A

Main gear wheels spin-up

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8
Q

Freezing point of Jet-A1?

A

-47 Degrees C

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9
Q

Freezing point of Jet-A?

A

-40 Degrees C

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10
Q

Freezing point of Jet-B?

A

-60 Degrees C

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11
Q

Mixture Ratio on Piston Engine?

A

MASS of Air / Fuel entering the cylinder

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12
Q

Smoke Hood vs Smoke Mask oxygen delivery

A

HOOD - Continous Oxygen Flow

MASK - Oxygen on Demand

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13
Q

Flashpoint of Jet-A/Jet-A1?

A

38 Degrees C

Remember A-to-B (Jet-A/A1 to Jet-B - highest to lower)

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14
Q

Flashpoint of Jet-B?

A

-23 Degrees C

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15
Q

Artificial Feel functions in _________ with an irreversable hydraulic actuator

A

Parallel

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16
Q

Electric window heating mats are usually powered by?

A

3-Phase AC

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17
Q

Fuel mixture of 9:1 is ____.

A

Rich (Air:Fuel)

Ideal is 15:1

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18
Q

SFC is ratio of?

A

Ratio of fuel mass consumed per unit of thrust/output

Could be shaft horsepower in Turboprop or Thrust otherwise

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19
Q

Primary flight controls are?

A

Elevator, Aileron, Rudder, Spoilers

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20
Q

Wheel Shimmy Oscillation

A

Lateral (Side-to-Side) Oscillation along Longitudinal Axis

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21
Q

FADEC Fault Tolerance?

A

Single Fault Tolerant

22
Q

Purpose of Accumulator in Hydraulic Braking System?

A

To provide an emergency reserve

23
Q

Frequency from RPM and Pole Pairs equation?

A

F(Hz) = (RPM/60) * Pole Pairs

24
Q

Impulse Turbine - Pressure / Velocity across Nozzle Guide Vane (NGV)?

A

Pressure drops - Velocity increases (needed to optimise impulse reaction with Impulse blade

25
Q

Impulse Turbine - Pressure / Velocity across Blade

A

Reduce velocity no reduction in pressure

26
Q

Purpose of Oil in Oleo Pneumatic Strut?

A

Dampening and Recoil

Oil is Damp!

27
Q

Low pressure fuel pump in transport aircraft is typical a __________ pump.

A

Centrifugal pump (AC 115v)

28
Q

Fire discharge bottles per engine bay?

A

2

29
Q

APU requirements for ETOPS?

A

Must be able to restarted at all altitudes during flight.

30
Q

Best application of braking for Steel brake discs?

A

Frequent small applications (allows disc to cool). Opposite to Carbon

31
Q

Detonation in Piston Engine caused by?

A

Anything that increases pressure or temperature of mixture

32
Q

Purpose of Pressurising and Dump Valve in Gas Turbine Fuel System?

A

Return low pressure fuel to return, and pass high pressure fuel to burners (ensures high enough fuel pressure for atomisation)

33
Q

Centrifugal Compressor Compression Ratio (per stage)

A

5:1

34
Q

Impulse Reaction Turbine - Duct on Rotor?

A

Slightly convergent

35
Q

Fuel Flow is measured at what location in the fuel system?

A

After the HP Valve (last point before engine)

36
Q

Settings on Flight Dect Oxygen System

A

Normal, Emergency, Test, and 100% Oxygen

37
Q

Constant Displacement or Axial Piston Pump requires an _________ and a __________.

A

Accumulator and Automatic Cut Out Valve (ACOV). The Constant Displacement Pump stroke is based on angle of piston body

38
Q

Purpose of Blocking Valve during Engine Start on Variable Volume/Constant Pressure Pump?

A

To reduce load on starter - sets pump to zero output during engine start

39
Q

Impact on Bleed Air (Charge Air) across Air Conditioning Pack (Bootstrap System)

A

Pressure drop and Temperature drop

40
Q

S.G. of Discharged Lead Acid Battery

A

1.17

41
Q

What is used to pressurise the Hydraulic Reservoir?

A

Engine Bleed Air

42
Q

Constant Speed Prop maintains a constant….

A

Angle of Attack

43
Q

Multi-Engine Variable Pitch Prop - Position if Oil Pressure Drops

A

Coarse (by spring on single acting actuator)

44
Q

Fuel Booster Pump PSI?

A

LP Pump - 20-100PSI

45
Q

Where is exhaust gas measured on gas turbine?

A

Output of HP Turbine

46
Q

Start disconnection on gas turbine?

A

Centrifugal disconnect on N2

47
Q

Which spool is N2?

A

HP Spool

48
Q

Temperature Limited (instead of Thrust Limited) When

A

High OAT

49
Q

Actual Thrust Limits on Gas Turbine Engines

A

Max Take-Off (Time Limited)
Max Continuous
Go-Around
Max Climb

50
Q

Inlet valve on Piston engine during compression stroke?

A

Open at first (BDC)

ATPL 2019 (10 decks)

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