Questão 1
Questão
Pneumatics systems are used for:
Responda
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Environmental control / Air conditioning / Cargo compartment heating
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Ice protection
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Water tank pressurization and toilet waste
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All of the above are correct
Questão 2
Questão
Related to the air bleed system
Responda
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There must exist an engine bleed air control system to obtain the required pressurized air at any moment
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There must not exist an engine bleed air control system to obtain the required pressurized air at any moment
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It is recommended to have an engine bleed air control system to obtain the required pressurized air at any moment
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None of the above are correct
Questão 3
Questão
How many types of engine bleed systems exist?
Responda
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Four: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Extremely Low pressure system.
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Four: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Three flow mixed system.
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Three: Intermediate and High pressure mixed system, High pressure system, Three flow mixed system.
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Three: Intermediate and High pressure mixed system, Low and High pressure mixed system, Extremely High pressure system.
Questão 4
Questão
High Pressure system is normally used in:
Responda
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Helicopters
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Commercial aviation
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Fighter aircrafts
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Gliders
Questão 5
Questão
Three flow mixed system is normally used in:
Responda
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Helicopters
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Commercial aviation
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Fighter aircrafts
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Gliders
Questão 6
Questão
Related to Pneumatics security:
Questão 7
Questão
The buckling is a phenomenon that appear in (i) structures subjected to (ii) loads
Questão 8
Questão
Related to Pneumatic power systems:
Responda
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A. Pneumatic power systems are similar to hydraulic power systems but there is no return line.
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B. Pneumatic power systems are very common
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C. Pneumatic power systems are not common
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D. A and C are correct
Questão 9
Questão
What was the problem with the “Harrier I” pneumatic vertical control system?
Responda
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It didn’t have enough power to take off
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It was too heavy to take off without horizontal speed
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It was impossible to completely decelerate the horizontal speed for landing
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The system was completely manual and required outstanding pilot skills
Questão 10
Questão
What year the first flight with artificial oxygen was?
Questão 11
Questão
What was the problem with the pressurization cabin in the “Comet I”?
Responda
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Its cabin did not pressurize
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It was really cold above 6500 m
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It was really hot below 6500 m
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The pressure inside the cabin was the surface pressure during all the flight
Questão 12
Questão
One of the advantages of using exhaust gases for the conditioning system is…
Responda
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It’s easiness
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It has high thermal efficiency
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You get more engine power
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You don´t need a heat exchanger
Questão 13
Questão
. At the beginning, the scientists wanted to have
Responda
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1 bar of pressure during all the flight
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1 bar of pressure just for take-off
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1 bar or pressure just for landing
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Different pressure values throughout the flight
Questão 14
Questão
. Electronic components’ working range is:
Responda
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From -40ºC to 90ºC
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From 0º C to 90ºC
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From 40ºC to 90ºC
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From 25ºC to 50ºC
Questão 15
Questão
The combustion heater:
Questão 16
Questão
Maintaining 1 bar of pressure during a flight
Responda
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A. Presented the problem of explosive decompression
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B. Presented the problem of fatigue as a result of loads cycles (pressures)
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C. Presented the problem of fatigue in the crew
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D. A and B are true
Questão 17
Questão
Related with the lubricant oil, fuel in an aircraft…
Responda
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It heats up the lubricant oil.
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Has the same temperature than the lubricant fluid.
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It helps to cool the lubricant oil.
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Is not related with the lubricant fluid because they are not combined.
Questão 18
Questão
Normally the fuel system in an aircraft is made to…
Responda
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Be able to supply at least 75% of the fuel flow required under each intended operation condition or maneouvre.
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Have only one fuel system able to provides fuel to all the engines.
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Be able to supply at least 100% of the fuel flow required under each intended operation condition or maneouvre.
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Be fitted with a main pump that boost the fuel through the system.
Questão 19
Questão
A disadvantage of the rigid tanks is…
Responda
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That it has t be protected with isolating material.
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That the material can be damaged by the use.
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That the volume of the tank normally is not enough.
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That it needs extra structures that means more weight.
Questão 20
Questão
How works the flame arrestors (parallamas).How works the flame arrestors (parallamas).
Responda
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Reduce the velocity of propagation ending the combustion.
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Present a metallic barrier that cool the air and reduce the ignition.
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The vapors run away to the atmosphere and the combustion can´t be produced.
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It can´t slow the propagation.
Questão 21
Questão
What is the false answer. The fuel tank is pressurized to:
Responda
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Prevent evaporation at high altitude.
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Prevent vapor locks.
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Prevent negative differential pressure.
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Reduce the propagation of the combustion.
Questão 22
Questão
What of the next answers is not an operating mode of fuel system
Responda
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Pressurization.
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Refuel / Defuel.
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Fuel Jettison.
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Fuel distribution.
Questão 23
Questão
What type of sensor use the difference in the dielectric properties of air and fuel.
Responda
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Ultrasonic sensors
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Capacitance sensors
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Optical level sensors
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Float level sensors
Questão 24
Questão
Related with the pumps that a fuel system could have there are:
Responda
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Fuel transfer pumps.
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Fuel booster pumps and fuel transfer pumps.
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Fuel booster pumps, fuel transfer pumps and engine feed pumps.
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Fuel multioperation pumps.
Questão 25
Questão
Q1. It is not a characteristic of the heat pipe
Responda
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High reliability
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Mobile parts
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Transfers heat
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Uses different liquids
Questão 26
Questão
Q2. What statement is true about air distribution
Responda
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Does not look for a comfortable environment
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Pipes ensure an heterogeneous distribution
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In fighters the air flow is higher and the temperature lower
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None of the above
Questão 27
Questão
Q3. About the cabin noise
Responda
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The priority is to minimize the layers in the cabin
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A reduction of noise is the main objective
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The noise is not a distraction for the pilot
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We cannot Cancel the noise through headphones
Questão 28
Questão
Q4. About cabin pressure
Responda
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The maximum safe altitude for pilots without O2 is 25000ft
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Regulation for passengers is 8000ft
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It uses the high altitude pressurization system, located in the nose
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None of the above
Questão 29
Questão
Q5. The pneumatic pressure control system has
Questão 30
Questão
Q6. Levels of decompressiom
Responda
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Explosive
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Slow
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Rare
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Spectacular
Questão 31
Questão
Q7. Solid oxygen candles
Questão 32
Questão
Q8. The physical states of the oxygen for transportation are (select the INCORRECT):