Basic 2

Question 1

The Si Unit for AC generator

Answer 1

Hertz

Question 2

Work (Job)

Answer 2

Joule

Question 3

Resistance

Answer 3

Ohm

Question 4

Current

Answer 4

Ampere

Question 5

Power

Answer 5

watt

Question 6

SI for density

Answer 6

kg/m3

Question 7

Fusible Plug

Answer 7

protect the tyre against eyplotion due to excessive temprature

Question 8

The Axial Compressor

Answer 8

HPC High Pressure Compressor

Question 9

The Centrifugal

Answer 9

Low Pressure Compressor

Question 10

Single spool how many indication?

Answer 10

one RPM indication (N1)

Question 11

Twin spool N1 and N2

Answer 11

two RPM indications (N1 for LP shaft, N2 for HP shaft).

Question 12

The AC generator Frquency uses what unit and can be decribed as

Answer 12

Hertz and can be described as number of oscillations per second

Question 13

Hydraulic System are pressurized by

Answer 13

Engine pump

Question 14

The Definition of electric current

Answer 14

The flow of electric charge per time unit, its measured in Amperes (A)

Question 15

The bypass Ratio

Answer 15

bypass mass flow / HP compressor

Question 16

If detonation the engine during climb out

Answer 16

-Decrease manifold pressure
-Increase the mixture

Question 17

What are the three elements of the fuselage structure of large transport Aircraft

Answer 17

• Skin
• Frames
• Stringers

Question 18

Integral Tanks

Answer 18

They are wer wings

Question 19

Rigid Tanks

Answer 19

Tank sealed metal container & extra weight

Question 20

The Low Pressure Boostpumps

Answer 20

In the Tank

Question 21

High pressure Pumps

Answer 21

Engine Driven, in the Engine

Question 22

Armature Runaway

Answer 22

everything Decreases

Question 23

DC Motor Seizes

Answer 23

everything Increases

Question 24

Compression Ratio of Piston Engine

Answer 24

Volume

Question 25

Copression Ratio of Jet Engine

Answer 25

Pressure

Question 26

Piston Engine Process & Combustion

Answer 26

- Process is intermittent متقطع - Combustion is constant Volume

Question 27

Jet Engine Process & Combustion

Answer 27

- Process is continuous - Combustion is constant mass

Question 28

The stages of Turbine Engine

Answer 28

1. Inlet Duct 2. Fan 3. LP Compressor 4. LP Turbine 5. Combustion chamber 6. HP Compressor 7. HP Turbine 8. Exhaust Nozzle

Question 29

What causes a short circuit?

Answer 29

poor insulation of electric wires

Question 30

Input Data of anti skid system are from:

Answer 30

- Wheel speed - Ground Speed - Boogie

Question 31

Lubrication system for Carburettor & Oil Pressure gauge

Answer 31

- Carburettor : Upstream - Oil Pressure gauge: Downstream

Question 32

The Piston Engine Turbocharger is Centrifugal or axial compressor?

Answer 32

Centrifugal compressor

Question 33

Piston Engine Supercharger

Answer 33

Radial Compressor

Question 34

The Exhaust section of a Turbojet Engine are NPC:

Answer 34

1. Propelling Nozzle 2. Jet pipe 3. Echaust cone

Question 35

The Cabin Altitude oxygen are normal, Warning and oxygen mask drop at which altitudes?

Answer 35

Normal -Warning - Oxygen mask 8000ft. - 10000ft. - 15000ft

Question 36

From AC ---> DC and from DC --> AC

Answer 36

AC-->DC (Rocktifier) TRU DC-->AC (Inverter)

Question 37

Change from AC to DC

Answer 37

Rectifier is used and from high to lower voltage

Question 38

Change from DC to AC

Answer 38

Inverter is used and from low to higher voltage

Question 39

Why is vapour lock dangerous?

Answer 39

it can intruppt the fuel flow to the Engine

Question 40

The inlet guide vanes (IGV):

Answer 40

direct the airflow at optimal angle to the compressors's first stage.

Question 41

The amount of deformation

Answer 41

Strain

Question 42

The advantage of swash plate

Answer 42

variable volume, fixed pressure

Question 43

In landing gear overcentre mechanism

Answer 43

lock the landing gear in down position

Question 44

In landing gear Hook lock

Answer 44

lock the landing gear in up position

Question 45

Leak in the bleed air system will affect

Answer 45

- Anti-icing - Pressurisation

Question 46

Torque =

Answer 46

Torque = (Voltage x Current) / RPM

Question 47

Emergency and Dilute oxygen

Answer 47

Emergency- supplied with over pressure DILUTE - Is mixed with Air from outside the Mask

Question 48

The FBW flight control system offer protection for

Answer 48

- Stall - Bank Angle - Load factor

Question 49

the electrolyte in a Nickel cadimuim battery?

Answer 49

potassium hydroxide

Question 50

The frequency wild in relation to the AC generation is

Answer 50

the output frequency veries with the engine speed.