03. 7. ACGA_L01-L09_2017

Ismael Vázquez
Quiz by Ismael Vázquez, updated more than 1 year ago
Ismael Vázquez
Created by Ismael Vázquez about 3 years ago
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Description

AVIÓNICA Quiz on 03. 7. ACGA_L01-L09_2017, created by Ismael Vázquez on 28/03/2018.

Resource summary

Question 1

Question
What is the purpose of cabin pressurization difference? pg29
Answer
  • a) Gain weight
  • b) Comfort
  • c) To avoid explosive depressurization
  • d) More oxygen

Question 2

Question
One of the main problems of cabin pressurization is: pg29
Answer
  • a) Corrosion
  • b) Fatigue
  • c) Wear
  • d) Impure oxygen

Question 3

Question
Stagnation temperature related to mach in the leading edge: pg29
Answer
  • a) Tt= T(1+0,2M2)
  • b) Tt=T(1-0,2M2)
  • c) Tt=T(1+0,2M3)
  • d) Tt=T(1-0,2M3)

Question 4

Question
Subsonic flights needs more _______ and supersonic flights need more ______ PG29
Answer
  • a) Warm air/warm air
  • b) Cold air/ cold air
  • c) Cold air/warm air
  • d) Warm air/cold air

Question 5

Question
Ways a cockpit is heated
Answer
  • a) Sun
  • b) Avionics
  • c) Cinematically
  • d) All the above

Question 6

Question
The CAU is made up of: pg29
Answer
  • a) Cooling turbine
  • b) Water extractor
  • c) Heat exchanger
  • d) All of above

Question 7

Question
There is a water extractor in the CAU to pg29
Answer
  • a) Get rid of fog
  • b) Get rid of smoke/fumes
  • c) Eliminate corrosion
  • d) A and C

Question 8

Question
Classification of ignition systems: pg32
Answer
  • a) Batery-ignition and magneto-ignition.
  • b) Batery-ignition, magneto-ignition and electronic FADEC.
  • c) Magneto-ignition and electronic FADEC.
  • d) All are false

Question 9

Question
Mark the true:
Answer
  • a) The magneto is a type of engine-driven CC generator.
  • b) Aviationonlyusesmagneto-ignition.
  • c) The magneto is a type of engine-driven AC generator.
  • d) All are correct.

Question 10

Question
Types of starting systems: pg32
Answer
  • a) Inertia starters and direct cranking electric starter.
  • b) Inertia starter and magneto starter.
  • c) Inertia starters, direct cranking electric starter and battery starter.
  • d) Direct cranking electric starter and battery starter.

Question 11

Question
Mark the false: pg33
Answer
  • a) Inertia starters were usually used in old aircrafts.
  • b) Direct cranking electric starter is based on an electric motor.
  • c) Nowadays battery-ignition systems are used in aviation.
  • d) FADEC system is an electronic ignition system with only one moving part.

Question 12

Question
Functions of lubrication system: pg33
Answer
  • a) Reduce friction created between the moving parts of the engine.
  • b) Protection for corrosion.
  • c) Heating the engine.
  • d) a) and b).

Question 13

Question
Viscosity: pg33
Answer
  • a) Isn’t temperature dependent.
  • b) Doesn’t affect for the lubrication system.
  • c) Balance between thin and thick.
  • d) In the Pour Point begins to solidify.

Question 14

Question
Viscosity:
Answer
  • a) The Pour Point is the lowest to temperature for flowing.
  • b) SAE system is a classification according to the oil viscosity.
  • c) There are some oils prepared to work in a larger intervals of temperature called multigrade oils.
  • d) All of them.

Question 15

Question
1. Alternate engines: pg34
Answer
  • A) needs a propeller to generate motion
  • B) are internal combustion technology
  • C) produce thrust by themselves
  • D) a and b are correct

Question 16

Question
2. main advantage of the radial distribution of an alternative aviation engine: pg34
Answer
  • A) produces more power
  • B) produces more thrust
  • C) is more easily cooled by the air flow
  • D) weighs less

Question 17

Question
3. Which is not a phase of a four-stroke engine pg34
Answer
  • A) power
  • B) exaust
  • C) intake
  • D) dispersion

Question 18

Question
4. in the compression phase of a four-stroke engine: pg34
Answer
  • A) explosion forces piston down
  • B) air-fuel mixture is drawn in
  • C) piston pushed out burned gases
  • D) air-fuel mixture is compressed

Question 19

Question
5. the valves of an alternative motor pg34
Answer
  • A) open and close exactly in bdc and tdc
  • B) they open exactly in the bdc but do not close exactly in the tdc
  • C) they open exactly in the tdc but do not close exactly in the bdc
  • D) open and close but not exactly at the points bdc and tdc

Question 20

Question
6. the moment of ignition pg34
Answer
  • A) ensures the minimum pressure on the tdc
  • B) varies with engine speed
  • C) a and b are true
  • D) a and b are false

Question 21

Question
7. the fins on the cylinders of an alternate engine were introduced for pg34
Answer
  • A) make the engine more aesthetic
  • B) cooling the engine by reducing the weight
  • C) complementary to liquid cooling
  • D) all of the above are correct

Question 22

Question
8. why engaging an odd number of pistons in radial engines pg34
Answer
  • A) to ensure that there is always a piston performing a job
  • B) get more power
  • C) the weight is decreased
  • D) decreases the number of possible engine failures

Question 23

Question
1. ¿What is the most common engine in aviation? pg35
Answer
  • a) Two-stroke gasoil.
  • b) Two-stroke gasoline.
  • c) Four-stroke gasoil.
  • d) Four-stroke gasoline.

Question 24

Question
2. Crankcase: pg35
Answer
  • a) Light and strong.
  • b) Heavy and big temperature resistance.
  • c) Magnesium alloy.
  • d)Alloy of ( Cr, Ni, Mo).

Question 25

Question
3. Pistons.
Answer
  • a) Strong and heat tranferers.
  • b) Strong but not heat transferers.
  • c) Smaller than cylinders
  • d) A and C are correct.

Question 26

Question
4. Pistons rings .pg35
Answer
  • a) Same size than pistons.
  • b) They fit into the piston groves but spring out to press against the cylinder wall
  • c) Made of aluminium alloy.
  • d) Used just in radial engines.

Question 27

Question
5. Cylinders. pg35
Answer
  • a) Surplus oil retention above the ring.
  • b) Link to transmit forces between the piston and the crankshaft.
  • c) Provide the combustion chamber where the burning and expansion of gases take place.
  • d) Single-piece or multipiece.

Question 28

Question
6. Crankshaft. pg35
Answer
  • a) It supports the engine in the airframe.
  • b) It provides mounting face for certain accessorie.
  • c) Transform the reciprocating motion of the piston and connection rod into rotary for rotation of the propeller.
  • d) Nitrided steel alloys to support pressure and hot gases.

Question 29

Question
7. Wrigth’s flyer engine was made in: pg35
Answer
  • a) 1907
  • b) 1903
  • c) 1904
  • d) 1901

Question 30

Question
8. About IN LINE cylinders arrangements why was better in "V"?
Answer
  • a) Easier manufacture.
  • b) Lower vibration and more compact unit.
  • c) Lower maintenance.
  • d) They produce more power.
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