Question 1
Question
What is the purpose of cabin pressurization difference?
pg29
Question 2
Question
One of the main problems of cabin pressurization is:
pg29
Answer
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a) Corrosion
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b) Fatigue
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c) Wear
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d) Impure oxygen
Question 3
Question
Stagnation temperature related to mach in the leading edge:
pg29
Answer
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a) Tt= T(1+0,2M2)
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b) Tt=T(1-0,2M2)
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c) Tt=T(1+0,2M3)
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d) Tt=T(1-0,2M3)
Question 4
Question
Subsonic flights needs more _______ and supersonic flights need more ______
PG29
Answer
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a) Warm air/warm air
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b) Cold air/ cold air
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c) Cold air/warm air
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d) Warm air/cold air
Question 5
Question
Ways a cockpit is heated
Answer
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a) Sun
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b) Avionics
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c) Cinematically
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d) All the above
Question 6
Question
The CAU is made up of:
pg29
Answer
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a) Cooling turbine
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b) Water extractor
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c) Heat exchanger
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d) All of above
Question 7
Question
There is a water extractor in the CAU to
pg29
Question 8
Question
Classification of ignition systems:
pg32
Answer
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a) Batery-ignition and magneto-ignition.
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b) Batery-ignition, magneto-ignition and electronic FADEC.
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c) Magneto-ignition and electronic FADEC.
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d) All are false
Question 9
Answer
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a) The magneto is a type of engine-driven CC generator.
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b) Aviationonlyusesmagneto-ignition.
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c) The magneto is a type of engine-driven AC generator.
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d) All are correct.
Question 10
Question
Types of starting systems:
pg32
Answer
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a) Inertia starters and direct cranking electric starter.
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b) Inertia starter and magneto starter.
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c) Inertia starters, direct cranking electric starter and battery starter.
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d) Direct cranking electric starter and battery starter.
Question 11
Question
Mark the false:
pg33
Answer
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a) Inertia starters were usually used in old aircrafts.
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b) Direct cranking electric starter is based on an electric motor.
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c) Nowadays battery-ignition systems are used in aviation.
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d) FADEC system is an electronic ignition system with only one moving
part.
Question 12
Question
Functions of lubrication system:
pg33
Question 13
Answer
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a) Isn’t temperature dependent.
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b) Doesn’t affect for the lubrication system.
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c) Balance between thin and thick.
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d) In the Pour Point begins to solidify.
Question 14
Answer
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a) The Pour Point is the lowest to temperature for flowing.
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b) SAE system is a classification according to the oil viscosity.
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c) There are some oils prepared to work in a larger intervals of
temperature called multigrade oils.
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d) All of them.
Question 15
Question
1. Alternate engines:
pg34
Answer
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A) needs a propeller to generate motion
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B) are internal combustion technology
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C) produce thrust by themselves
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D) a and b are correct
Question 16
Question
2. main advantage of the radial distribution of an alternative aviation engine:
pg34
Question 17
Question
3. Which is not a phase of a four-stroke engine
pg34
Answer
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A) power
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B) exaust
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C) intake
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D) dispersion
Question 18
Question
4. in the compression phase of a four-stroke engine:
pg34
Answer
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A) explosion forces piston down
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B) air-fuel mixture is drawn in
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C) piston pushed out burned gases
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D) air-fuel mixture is compressed
Question 19
Question
5. the valves of an alternative motor
pg34
Answer
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A) open and close exactly in bdc and tdc
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B) they open exactly in the bdc but do not close exactly in the tdc
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C) they open exactly in the tdc but do not close exactly in the bdc
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D) open and close but not exactly at the points bdc and tdc
Question 20
Question
6. the moment of ignition
pg34
Question 21
Question
7. the fins on the cylinders of an alternate engine were introduced for
pg34
Answer
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A) make the engine more aesthetic
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B) cooling the engine by reducing the weight
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C) complementary to liquid cooling
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D) all of the above are correct
Question 22
Question
8. why engaging an odd number of pistons in radial engines
pg34
Answer
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A) to ensure that there is always a piston performing a job
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B) get more power
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C) the weight is decreased
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D) decreases the number of possible engine failures
Question 23
Question
1. ¿What is the most common engine in aviation?
pg35
Answer
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a) Two-stroke gasoil.
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b) Two-stroke gasoline.
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c) Four-stroke gasoil.
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d) Four-stroke gasoline.
Question 24
Question
2. Crankcase:
pg35
Answer
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a) Light and strong.
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b) Heavy and big temperature resistance.
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c) Magnesium alloy.
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d)Alloy of ( Cr, Ni, Mo).
Question 25
Answer
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a) Strong and heat tranferers.
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b) Strong but not heat transferers.
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c) Smaller than cylinders
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d) A and C are correct.
Question 26
Question
4. Pistons rings
.pg35
Answer
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a) Same size than pistons.
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b) They fit into the piston groves but spring out to press against the cylinder wall
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c) Made of aluminium alloy.
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d) Used just in radial engines.
Question 27
Question
5. Cylinders.
pg35
Answer
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a) Surplus oil retention above the ring.
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b) Link to transmit forces between the piston and the crankshaft.
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c) Provide the combustion chamber where the burning and expansion of gases take place.
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d) Single-piece or multipiece.
Question 28
Question
6. Crankshaft.
pg35
Answer
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a) It supports the engine in the airframe.
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b) It provides mounting face for certain accessorie.
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c) Transform the reciprocating motion of the piston and connection rod into rotary for
rotation of the propeller.
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d) Nitrided steel alloys to support pressure and hot gases.
Question 29
Question
7. Wrigth’s flyer engine was made in:
pg35
Answer
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a) 1907
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b) 1903
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c) 1904
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d) 1901
Question 30
Question
8. About IN LINE cylinders arrangements why was better in "V"?