13043923
Descrição
Quiz por Ismael Vázquez, atualizado more than 1 year ago
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Criado por Ismael Vázquez
mais de 6 anos atrás
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Questão 1
Questão
1. Which of these statements is false?
pg36
Responda
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a) The pressurized air from the engine is enough for power pneumatic systems.
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b) At ground APUs (Auxiliary Power Units) are used to provide pressurized air and electricity.
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c) Jet engines use bleed air from compressor.
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d) Reciprocating engines use bleed air from the turbocharger.
Questão 2
Questão
2. Has gas turbine pressure dependence on the shaft speed?
pg36
Responda
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a) Yes, it has a strong dependence.
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b) No, gas turbine pressure depends on the compression ratio of the compressor.
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c) a) and there must exist an engine bleed air control system.
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d) b) apart from the compression ratio it depends on the outside temperature too.
Questão 3
Questão
3. The types of engine bleed systems are:
Responda
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a) Intermediate and High pressure mixed systems.
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b) Low and High pressure mixed system.
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c) High isolated pressure system.
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d) a) and b) are true.
Questão 4
Questão
4. Wich of these statements is true?
Responda
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a) The pneumatic power has no return line
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b) There’re no leakages and it’s easy to handle high pressures.
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c) It’s the most common system to operate landing gears.
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d) The pneumatic power systems need more tubing and valves than hydraulic systems.
Questão 5
Questão
5. The pneumatic systems are usually used to:
ph36
Responda
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a) Operate landing gears
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b) Move alerions.
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c) Pressurize hydraulics reservoirs.
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d) Operate the brakes.
Questão 6
Questão
6. Pneumatic systems in Harrier aircrafts are used to:
pg36
Responda
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a) Operate the landing gear
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b) Increase the speed during a conventional take off.
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c) Give roll and pitch stability
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d) Reduce the speed during a conventional landing.
Questão 7
Questão
7. Why does not the civil VTOL like the wing tips with pneumatic air to provide stability?
pg36
Responda
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a) Esthetically it’s not attractive.
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b) They harm the aerodynamic.
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c) They are not effective.
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d) Because if the compressor fails, the aircraft lose the roll and pitch stability.
Questão 8
Questão
8. The air bleed system provides air to:
pg37
Responda
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a) Pressurisation system
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b) Brake system
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c) Alerions system
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d) Cockpit temperature system.
Questão 9
Questão
1. Which of them are pumps
pg37
Responda
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a) Fuel transfer pumps.
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b) Fuel booster pumps
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c) Ejector pumps.
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d) All of them.
Questão 10
Questão
2. What a suction valve is used ?
pg37
Responda
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a) During take off.
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b) During landing.
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c) If booster pumps fail.
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d) During taxing.
Questão 11
Questão
3. Types of fuel level sensors:
pg37
Responda
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a) Float level sensor, Zener diode level sensor.
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b) Ultrasonic sensor, optical level sensor, Capacitance sensor.
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c) A and B are correct.
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d) A and B are incorrect.
Questão 12
Questão
4. Which is the disadvantage of float level sensor:
Responda
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a) It is expensive.
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b) The float arm may stick or jam.
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c) It is difficult to build.
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d) The materials are too heavy.
Questão 13
Questão
5. If an emergency or malfunction after takeoff happens:
pg37
Responda
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a) The system jettison a large portion of the fuel to reduce weight rapidly.
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b) The system maintains the fuel.
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c) The system jettison all the fuel.
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d) The system breaks.
Questão 14
Questão
6. What types of air refueling exit?
pg38
Responda
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a) Pats and boom.
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b) Pods and boom.
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c) Pats and baskets.
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d) Pods and baskets.
Questão 15
Questão
7. What types of fuel tanks exist?
pg38
Responda
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a) Rigid tanks, flexible tanks, integral tanks.
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b) Rigid tanks, adaptable tanks.
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c) Rigid tanks, soft tanks.
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d) Inside tanks, outside tanks.
Questão 16
Questão
8. What surge tanks do?
pg38
Responda
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a) Prevent the overflow while fuelling.
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b) Allow expansion due to temperature changes.
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c) Any of them.
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d) Both of them.
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