Test
93.Semana de Mata (5 y 8 de marzo)
Preguntas del test (32)
1Pneumatics systems are used for:
- AEnvironmental control / Air conditioning / Cargo compartment heating
- BIce protection
- CWater tank pressurization and toilet waste
- DAll of the above are correct
2Related to the air bleed system
- AThere must exist an engine bleed air control system to obtain the required pressurized air at any moment
- BThere must not exist an engine bleed air control system to obtain the required pressurized air at any moment
- CIt is recommended to have an engine bleed air control system to obtain the required pressurized air at any moment
- DNone of the above are correct
3How many types of engine bleed systems exist?
- AFour: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Extremely Low pressure system.
- BFour: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Three flow mixed system.
- CThree: Intermediate and High pressure mixed system, High pressure system, Three flow mixed system.
- DThree: Intermediate and High pressure mixed system, Low and High pressure mixed system, Extremely High pressure system.
4High Pressure system is normally used in:
- AHelicopters
- BCommercial aviation
- CFighter aircrafts
- DGliders
5Three flow mixed system is normally used in:
- AHelicopters
- BCommercial aviation
- CFighter aircrafts
- DGliders
6Related to Pneumatics security:
- ACompressor bleedings must have limitation valves
- BBleeding P and T must be the lowest compatible with the system
- CA and B are correct
- DA and B are incorrect
7The buckling is a phenomenon that appear in (i) structures subjected to (ii) loads
- AA shutoff valve in each bleeding line must be installed (fire protection)
- BBleeding shutoff valve must NOT be close to the engine
- CA and B are correct
- DA and B are incorrect
8Related to Pneumatic power systems:
- AA. Pneumatic power systems are similar to hydraulic power systems but there is no return line.
- BB. Pneumatic power systems are very common
- CC. Pneumatic power systems are not common
- DD. A and C are correct
9What was the problem with the “Harrier I” pneumatic vertical control system?
- AIt didn’t have enough power to take off
- BIt was too heavy to take off without horizontal speed
- CIt was impossible to completely decelerate the horizontal speed for landing
- DThe system was completely manual and required outstanding pilot skills
10What year the first flight with artificial oxygen was?
- A1902
- B1945
- C1913
- D1964
11What was the problem with the pressurization cabin in the “Comet I”?
- AIts cabin did not pressurize
- BIt was really cold above 6500 m
- CIt was really hot below 6500 m
- DThe pressure inside the cabin was the surface pressure during all the flight
12One of the advantages of using exhaust gases for the conditioning system is…
- AIt’s easiness
- BIt has high thermal efficiency
- CYou get more engine power
- DYou don´t need a heat exchanger
13. At the beginning, the scientists wanted to have
- A1 bar of pressure during all the flight
- B1 bar of pressure just for take-off
- C1 bar or pressure just for landing
- DDifferent pressure values throughout the flight
14. Electronic components’ working range is:
- AFrom -40ºC to 90ºC
- BFrom 0º C to 90ºC
- CFrom 40ºC to 90ºC
- DFrom 25ºC to 50ºC
15The combustion heater:
- AIs perfect for aviation
- BIs a cooling system
- CHas a fuel consumption of 5 US gal/h
- DIs dangerous for aviation
16Maintaining 1 bar of pressure during a flight
- AA. Presented the problem of explosive decompression
- BB. Presented the problem of fatigue as a result of loads cycles (pressures)
- CC. Presented the problem of fatigue in the crew
- DD. A and B are true
17Related with the lubricant oil, fuel in an aircraft…
- AIt heats up the lubricant oil.
- BHas the same temperature than the lubricant fluid.
- CIt helps to cool the lubricant oil.
- DIs not related with the lubricant fluid because they are not combined.
18Normally the fuel system in an aircraft is made to…
- ABe able to supply at least 75% of the fuel flow required under each intended operation condition or maneouvre.
- BHave only one fuel system able to provides fuel to all the engines.
- CBe able to supply at least 100% of the fuel flow required under each intended operation condition or maneouvre.
- DBe fitted with a main pump that boost the fuel through the system.
19A disadvantage of the rigid tanks is…
- AThat it has t be protected with isolating material.
- BThat the material can be damaged by the use.
- CThat the volume of the tank normally is not enough.
- DThat it needs extra structures that means more weight.
20How works the flame arrestors (parallamas).How works the flame arrestors (parallamas).
- AReduce the velocity of propagation ending the combustion.
- BPresent a metallic barrier that cool the air and reduce the ignition.
- CThe vapors run away to the atmosphere and the combustion can´t be produced.
- DIt can´t slow the propagation.
21What is the false answer. The fuel tank is pressurized to:
- APrevent evaporation at high altitude.
- BPrevent vapor locks.
- CPrevent negative differential pressure.
- DReduce the propagation of the combustion.
22What of the next answers is not an operating mode of fuel system
- APressurization.
- BRefuel / Defuel.
- CFuel Jettison.
- DFuel distribution.
23What type of sensor use the difference in the dielectric properties of air and fuel.
- AUltrasonic sensors
- BCapacitance sensors
- COptical level sensors
- DFloat level sensors
24Related with the pumps that a fuel system could have there are:
- AFuel transfer pumps.
- BFuel booster pumps and fuel transfer pumps.
- CFuel booster pumps, fuel transfer pumps and engine feed pumps.
- DFuel multioperation pumps.
25Q1. It is not a characteristic of the heat pipe
- AHigh reliability
- BMobile parts
- CTransfers heat
- DUses different liquids
26Q2. What statement is true about air distribution
- ADoes not look for a comfortable environment
- BPipes ensure an heterogeneous distribution
- CIn fighters the air flow is higher and the temperature lower
- DNone of the above
27Q3. About the cabin noise
- AThe priority is to minimize the layers in the cabin
- BA reduction of noise is the main objective
- CThe noise is not a distraction for the pilot
- DWe cannot Cancel the noise through headphones
28Q4. About cabin pressure
- AThe maximum safe altitude for pilots without O2 is 25000ft
- BRegulation for passengers is 8000ft
- CIt uses the high altitude pressurization system, located in the nose
- DNone of the above
29Q5. The pneumatic pressure control system has
- ADischarge valve
- BCabin pressure controller
- CAltittude capsule
- DAll of them
30Q6. Levels of decompressiom
- AExplosive
- BSlow
- CRare
- DSpectacular
31Q7. Solid oxygen candles
- AOnce started they cannot be stopped
- BThey continue the combustion even underwater
- CThey work by demand
- DAll of them
32Q8. The physical states of the oxygen for transportation are (select the INCORRECT):
- ALiquid
- BGaseous
- CSolid
- DChemical
- ENO hay incorrecta (la pregunta esta mal)
Información
- Descripción
- AVIÓNICA Test sobre 93.Semana de Mata (5 y 8 de marzo), creado por Ismael Vázquez el 03/04/2018.
- Autor
- Ismael Vázquez
- Idioma
- Español
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- 144
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- Valoración
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