03. 7. ACGA_L01-L09_2017

Question

What is the purpose of cabin pressurization difference? pg29

Answer 1

a) Gain weight

Answer 2

b) Comfort

Answer 3

c) To avoid explosive depressurization

Answer 4

d) More oxygen

Answer 5

a) Corrosion

Answer 6

b) Fatigue

Answer 7

d) Impure oxygen

Answer 8

a) Tt= T(1+0,2M2)

Answer 9

b) Tt=T(1-0,2M2)

Answer 10

c) Tt=T(1+0,2M3)

Answer 11

d) Tt=T(1-0,2M3)

Answer 12

a) Warm air/warm air

Answer 13

b) Cold air/ cold air

Answer 14

c) Cold air/warm air

Answer 15

d) Warm air/cold air

Answer 16

b) Avionics

Answer 17

c) Cinematically

Answer 18

d) All the above

Answer 19

a) Cooling turbine

Answer 20

b) Water extractor

Answer 21

c) Heat exchanger

Answer 22

d) All of above

Answer 23

a) Get rid of fog

Answer 24

b) Get rid of smoke/fumes

Answer 25

c) Eliminate corrosion

Answer 26

d) A and C

Answer 27

a) Batery-ignition and magneto-ignition.

Answer 28

b) Batery-ignition, magneto-ignition and electronic FADEC.

Answer 29

c) Magneto-ignition and electronic FADEC.

Answer 30

d) All are false

Answer 31

a) The magneto is a type of engine-driven CC generator.

Answer 32

b) Aviationonlyusesmagneto-ignition.

Answer 33

c) The magneto is a type of engine-driven AC generator.

Answer 34

d) All are correct.

Answer 35

a) Inertia starters and direct cranking electric starter.

Answer 36

b) Inertia starter and magneto starter.

Answer 37

c) Inertia starters, direct cranking electric starter and battery starter.

Answer 38

d) Direct cranking electric starter and battery starter.

Answer 39

a) Inertia starters were usually used in old aircrafts.

Answer 40

b) Direct cranking electric starter is based on an electric motor.

Answer 41

c) Nowadays battery-ignition systems are used in aviation.

Answer 42

d) FADEC system is an electronic ignition system with only one moving part.

Answer 43

a) Reduce friction created between the moving parts of the engine.

Answer 44

b) Protection for corrosion.

Answer 45

c) Heating the engine.

Answer 46

d) a) and b).

Answer 47

a) Isn’t temperature dependent.

Answer 48

b) Doesn’t affect for the lubrication system.

Answer 49

c) Balance between thin and thick.

Answer 50

d) In the Pour Point begins to solidify.

Answer 51

a) The Pour Point is the lowest to temperature for flowing.

Answer 52

b) SAE system is a classification according to the oil viscosity.

Answer 53

c) There are some oils prepared to work in a larger intervals of temperature called multigrade oils.

Answer 54

d) All of them.

Answer 55

A) needs a propeller to generate motion

Answer 56

B) are internal combustion technology

Answer 57

C) produce thrust by themselves

Answer 58

D) a and b are correct

Answer 59

A) produces more power

Answer 60

B) produces more thrust

Answer 61

C) is more easily cooled by the air flow

Answer 62

D) weighs less

Answer 63

D) dispersion

Answer 64

A) explosion forces piston down

Answer 65

B) air-fuel mixture is drawn in

Answer 66

C) piston pushed out burned gases

Answer 67

D) air-fuel mixture is compressed

Answer 68

A) open and close exactly in bdc and tdc

Answer 69

B) they open exactly in the bdc but do not close exactly in the tdc

Answer 70

C) they open exactly in the tdc but do not close exactly in the bdc

Answer 71

D) open and close but not exactly at the points bdc and tdc

Answer 72

A) ensures the minimum pressure on the tdc

Answer 73

B) varies with engine speed

Answer 74

C) a and b are true

Answer 75

D) a and b are false

Answer 76

A) make the engine more aesthetic

Answer 77

B) cooling the engine by reducing the weight

Answer 78

C) complementary to liquid cooling

Answer 79

D) all of the above are correct

Answer 80

A) to ensure that there is always a piston performing a job

Answer 81

B) get more power

Answer 82

C) the weight is decreased

Answer 83

D) decreases the number of possible engine failures

Answer 84

a) Two-stroke gasoil.

Answer 85

b) Two-stroke gasoline.

Answer 86

c) Four-stroke gasoil.

Answer 87

d) Four-stroke gasoline.

Answer 88

a) Light and strong.

Answer 89

b) Heavy and big temperature resistance.

Answer 90

c) Magnesium alloy.

Answer 91

d)Alloy of ( Cr, Ni, Mo).

Answer 92

a) Strong and heat tranferers.

Answer 93

b) Strong but not heat transferers.

Answer 94

c) Smaller than cylinders

Answer 95

d) A and C are correct.

Answer 96

a) Same size than pistons.

Answer 97

b) They fit into the piston groves but spring out to press against the cylinder wall

Answer 98

c) Made of aluminium alloy.

Answer 99

d) Used just in radial engines.

Answer 100

a) Surplus oil retention above the ring.

Answer 101

b) Link to transmit forces between the piston and the crankshaft.

Answer 102

c) Provide the combustion chamber where the burning and expansion of gases take place.

Answer 103

d) Single-piece or multipiece.

Answer 104

a) It supports the engine in the airframe.

Answer 105

b) It provides mounting face for certain accessorie.

Answer 106

c) Transform the reciprocating motion of the piston and connection rod into rotary for rotation of the propeller.

Answer 107

d) Nitrided steel alloys to support pressure and hot gases.

Answer 108

a) Easier manufacture.

Answer 109

b) Lower vibration and more compact unit.

Answer 110

c) Lower maintenance.

Answer 111

d) They produce more power.

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03. 7. ACGA_L01-L09_2017

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	Created by Ismael Vázquez about 6 years ago