Questão 1
Questão
What is the purpose of cabin pressurization difference?
pg29
Questão 2
Questão
One of the main problems of cabin pressurization is:
pg29
Responda
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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
Questão 3
Questão
Stagnation temperature related to mach in the leading edge:
pg29
Responda
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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)
Questão 4
Questão
Subsonic flights needs more _______ and supersonic flights need more ______
PG29
Responda
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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
Questão 5
Questão
Ways a cockpit is heated
Responda
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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
Questão 6
Questão
The CAU is made up of:
pg29
Responda
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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
Questão 7
Questão
There is a water extractor in the CAU to
pg29
Questão 8
Questão
Classification of ignition systems:
pg32
Responda
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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
Questão 9
Responda
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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.
Questão 10
Questão
Types of starting systems:
pg32
Responda
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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.
Questão 11
Questão
Mark the false:
pg33
Responda
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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.
Questão 12
Questão
Functions of lubrication system:
pg33
Questão 13
Responda
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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.
Questão 14
Responda
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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.
Questão 15
Questão
1. Alternate engines:
pg34
Responda
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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
Questão 16
Questão
2. main advantage of the radial distribution of an alternative aviation engine:
pg34
Questão 17
Questão
3. Which is not a phase of a four-stroke engine
pg34
Responda
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A) power
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B) exaust
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C) intake
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D) dispersion
Questão 18
Questão
4. in the compression phase of a four-stroke engine:
pg34
Responda
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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
Questão 19
Questão
5. the valves of an alternative motor
pg34
Responda
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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
Questão 20
Questão
6. the moment of ignition
pg34
Questão 21
Questão
7. the fins on the cylinders of an alternate engine were introduced for
pg34
Responda
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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
Questão 22
Questão
8. why engaging an odd number of pistons in radial engines
pg34
Responda
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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
Questão 23
Questão
1. ¿What is the most common engine in aviation?
pg35
Responda
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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.
Questão 24
Questão
2. Crankcase:
pg35
Responda
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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).
Questão 25
Responda
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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.
Questão 26
Questão
4. Pistons rings
.pg35
Responda
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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.
Questão 27
Questão
5. Cylinders.
pg35
Responda
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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.
Questão 28
Questão
6. Crankshaft.
pg35
Responda
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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.
Questão 29
Questão
7. Wrigth’s flyer engine was made in:
pg35
Responda
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a) 1907
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b) 1903
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c) 1904
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d) 1901
Questão 30
Questão
8. About IN LINE cylinders arrangements why was better in "V"?