AGK

Question 1

CS25 Major Failure

Answer 1

Aircraft: Significant Reduction

Occupants: Physical Distress, possibly including injuries.

Crew: Discomfort, a significant increase in workload

Remote Probability

Question 2

CS25 Minor Failure

Answer 2

Occupants: Physical discomfort

Aircraft: Slight reduction in functional capabilities/safety margins.

Crew: Slight increase in workload

Probable.

Question 3

CS25 Hazardous

Answer 3

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

Question 4

CS25 Catastrophic

Answer 4

Multiple fatalities

Hull loss

Fatality or incapacitation

Extremely improbable.

Question 5

CS25 Max cabin altitude?

Answer 5

8000ft

Question 6

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

Answer 6

15,000ft

Question 7

Auto-brake activated?

Answer 7

Main gear wheels spin-up

Question 8

Freezing point of Jet-A1?

Answer 8

-47 Degrees C

Question 9

Freezing point of Jet-A?

Answer 9

-40 Degrees C

Question 10

Freezing point of Jet-B?

Answer 10

-60 Degrees C

Question 11

Mixture Ratio on Piston Engine?

Answer 11

MASS of Air / Fuel entering the cylinder

Question 12

Smoke Hood vs Smoke Mask oxygen delivery

Answer 12

HOOD - Continous Oxygen Flow

MASK - Oxygen on Demand

Question 13

Flashpoint of Jet-A/Jet-A1?

Answer 13

38 Degrees C

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

Question 14

Flashpoint of Jet-B?

Answer 14

-23 Degrees C

Question 15

Artificial Feel functions in _________ with an irreversable hydraulic actuator

Answer 15

Parallel

Question 16

Electric window heating mats are usually powered by?

Answer 16

3-Phase AC

Question 17

Fuel mixture of 9:1 is ____.

Answer 17

Rich (Air:Fuel)

Ideal is 15:1

Question 18

SFC is ratio of?

Answer 18

Ratio of fuel mass consumed per unit of thrust/output

Could be shaft horsepower in Turboprop or Thrust otherwise

Question 19

Primary flight controls are?

Answer 19

Elevator, Aileron, Rudder, Spoilers

Question 20

Wheel Shimmy Oscillation

Answer 20

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

Question 21

FADEC Fault Tolerance?

Answer 21

Single Fault Tolerant

Question 22

Purpose of Accumulator in Hydraulic Braking System?

Answer 22

To provide an emergency reserve

Question 23

Frequency from RPM and Pole Pairs equation?

Answer 23

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

Question 24

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

Answer 24

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

Question 25

Impulse Turbine - Pressure / Velocity across Blade

Answer 25

Reduce velocity no reduction in pressure

Question 26

Purpose of Oil in Oleo Pneumatic Strut?

Answer 26

Dampening and Recoil | Oil is Damp!

Question 27

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

Answer 27

Centrifugal pump (AC 115v)

Question 28

Fire discharge bottles per engine bay?

Answer 28

2

Question 29

APU requirements for ETOPS?

Answer 29

Must be able to restarted at all altitudes during flight.

Question 30

Best application of braking for Steel brake discs?

Answer 30

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

Question 31

Detonation in Piston Engine caused by?

Answer 31

Anything that increases pressure or temperature of mixture

Question 32

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

Answer 32

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

Question 33

Centrifugal Compressor Compression Ratio (per stage)

Answer 33

5:1

Question 34

Impulse Reaction Turbine - Duct on Rotor?

Answer 34

Slightly convergent

Question 35

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

Answer 35

After the HP Valve (last point before engine)

Question 36

Settings on Flight Dect Oxygen System

Answer 36

Normal, Emergency, Test, and 100% Oxygen

Question 37

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

Answer 37

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

Question 38

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

Answer 38

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

Question 39

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

Answer 39

Pressure drop and Temperature drop

Question 40

S.G. of Discharged Lead Acid Battery

Answer 40

1.17

Question 41

What is used to pressurise the Hydraulic Reservoir?

Answer 41

Engine Bleed Air

Question 42

Constant Speed Prop maintains a constant....

Answer 42

Angle of Attack

Question 43

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

Answer 43

Coarse (by spring on single acting actuator)

Question 44

Fuel Booster Pump PSI?

Answer 44

LP Pump - 20-100PSI

Question 45

Where is exhaust gas measured on gas turbine?

Answer 45

Output of HP Turbine

Question 46

Start disconnection on gas turbine?

Answer 46

Centrifugal disconnect on N2

Question 47

Which spool is N2?

Answer 47

HP Spool

Question 48

Temperature Limited (instead of Thrust Limited) When

Answer 48

High OAT

Question 49

Actual Thrust Limits on Gas Turbine Engines

Answer 49

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

Question 50

Inlet valve on Piston engine during compression stroke?

Answer 50

Open at first (BDC)