Ismael Vázquez
Quiz by , created more than 1 year ago

AVIÓNICA Quiz on 93.Semana de Mata (5 y 8 de marzo), created by Ismael Vázquez on 03/04/2018.

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Ismael Vázquez
Created by Ismael Vázquez over 6 years ago
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93.Semana de Mata (5 y 8 de marzo)

Question 1 of 32

1

Pneumatics systems are used for:

Select one of the following:

  • Environmental control / Air conditioning / Cargo compartment heating

  • Ice protection

  • Water tank pressurization and toilet waste

  • All of the above are correct

Explanation

Question 2 of 32

1

Related to the air bleed system

Select one of the following:

  • There must exist an engine bleed air control system to obtain the required pressurized air at any moment

  • There must not exist an engine bleed air control system to obtain the required pressurized air at any moment

  • It is recommended to have an engine bleed air control system to obtain the required pressurized air at any moment

  • None of the above are correct

Explanation

Question 3 of 32

1

How many types of engine bleed systems exist?

Select one of the following:

  • Four: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Extremely Low pressure system.

  • Four: Intermediate and High pressure mixed system, Low and High pressure mixed system, High pressure system, Three flow mixed system.

  • Three: Intermediate and High pressure mixed system, High pressure system, Three flow mixed system.

  • Three: Intermediate and High pressure mixed system, Low and High pressure mixed system, Extremely High pressure system.

Explanation

Question 4 of 32

1

High Pressure system is normally used in:

Select one of the following:

  • Helicopters

  • Commercial aviation

  • Fighter aircrafts

  • Gliders

Explanation

Question 5 of 32

1

Three flow mixed system is normally used in:

Select one of the following:

  • Helicopters

  • Commercial aviation

  • Fighter aircrafts

  • Gliders

Explanation

Question 6 of 32

1

Related to Pneumatics security:

Select one of the following:

  • Compressor bleedings must have limitation valves

  • Bleeding P and T must be the lowest compatible with the system

  • A and B are correct

  • A and B are incorrect

Explanation

Question 7 of 32

1

The buckling is a phenomenon that appear in (i) structures subjected to (ii) loads

Select one of the following:

  • A shutoff valve in each bleeding line must be installed (fire protection)

  • Bleeding shutoff valve must NOT be close to the engine

  • A and B are correct

  • A and B are incorrect

Explanation

Question 8 of 32

1

Related to Pneumatic power systems:

Select one of the following:

  • A. Pneumatic power systems are similar to hydraulic power systems but there is no return line.

  • B. Pneumatic power systems are very common

  • C. Pneumatic power systems are not common

  • D. A and C are correct

Explanation

Question 9 of 32

1

What was the problem with the “Harrier I” pneumatic vertical control system?

Select one of the following:

  • It didn’t have enough power to take off

  • It was too heavy to take off without horizontal speed

  • It was impossible to completely decelerate the horizontal speed for landing

  • The system was completely manual and required outstanding pilot skills

Explanation

Question 10 of 32

1

What year the first flight with artificial oxygen was?

Select one of the following:

  • 1902

  • 1945

  • 1913

  • 1964

Explanation

Question 11 of 32

1

What was the problem with the pressurization cabin in the “Comet I”?

Select one of the following:

  • Its cabin did not pressurize

  • It was really cold above 6500 m

  • It was really hot below 6500 m

  • The pressure inside the cabin was the surface pressure during all the flight

Explanation

Question 12 of 32

1

One of the advantages of using exhaust gases for the conditioning system is…

Select one of the following:

  • It’s easiness

  • It has high thermal efficiency

  • You get more engine power

  • You don´t need a heat exchanger

Explanation

Question 13 of 32

1

. At the beginning, the scientists wanted to have

Select one of the following:

  • 1 bar of pressure during all the flight

  • 1 bar of pressure just for take-off

  • 1 bar or pressure just for landing

  • Different pressure values throughout the flight

Explanation

Question 14 of 32

1

. Electronic components’ working range is:

Select one of the following:

  • From -40ºC to 90ºC

  • From 0º C to 90ºC

  • From 40ºC to 90ºC

  • From 25ºC to 50ºC

Explanation

Question 15 of 32

1

The combustion heater:

Select one of the following:

  • Is perfect for aviation

  • Is a cooling system

  • Has a fuel consumption of 5 US gal/h

  • Is dangerous for aviation

Explanation

Question 16 of 32

1

Maintaining 1 bar of pressure during a flight

Select one of the following:

  • A. Presented the problem of explosive decompression

  • B. Presented the problem of fatigue as a result of loads cycles (pressures)

  • C. Presented the problem of fatigue in the crew

  • D. A and B are true

Explanation

Question 17 of 32

1

Related with the lubricant oil, fuel in an aircraft…

Select one of the following:

  • It heats up the lubricant oil.

  • Has the same temperature than the lubricant fluid.

  • It helps to cool the lubricant oil.

  • Is not related with the lubricant fluid because they are not combined.

Explanation

Question 18 of 32

1

Normally the fuel system in an aircraft is made to…

Select one of the following:

  • Be able to supply at least 75% of the fuel flow required under each intended operation condition or maneouvre.

  • Have only one fuel system able to provides fuel to all the engines.

  • Be able to supply at least 100% of the fuel flow required under each intended operation condition or maneouvre.

  • Be fitted with a main pump that boost the fuel through the system.

Explanation

Question 19 of 32

1

A disadvantage of the rigid tanks is…

Select one of the following:

  • That it has t be protected with isolating material.

  • That the material can be damaged by the use.

  • That the volume of the tank normally is not enough.

  • That it needs extra structures that means more weight.

Explanation

Question 20 of 32

1

How works the flame arrestors (parallamas).How works the flame arrestors (parallamas).

Select one of the following:

  • Reduce the velocity of propagation ending the combustion.

  • Present a metallic barrier that cool the air and reduce the ignition.

  • The vapors run away to the atmosphere and the combustion can´t be produced.

  • It can´t slow the propagation.

Explanation

Question 21 of 32

1

What is the false answer. The fuel tank is pressurized to:

Select one of the following:

  • Prevent evaporation at high altitude.

  • Prevent vapor locks.

  • Prevent negative differential pressure.

  • Reduce the propagation of the combustion.

Explanation

Question 22 of 32

1

What of the next answers is not an operating mode of fuel system

Select one of the following:

  • Pressurization.

  • Refuel / Defuel.

  • Fuel Jettison.

  • Fuel distribution.

Explanation

Question 23 of 32

1

What type of sensor use the difference in the dielectric properties of air and fuel.

Select one of the following:

  • Ultrasonic sensors

  • Capacitance sensors

  • Optical level sensors

  • Float level sensors

Explanation

Question 24 of 32

1

Related with the pumps that a fuel system could have there are:

Select one of the following:

  • Fuel transfer pumps.

  • Fuel booster pumps and fuel transfer pumps.

  • Fuel booster pumps, fuel transfer pumps and engine feed pumps.

  • Fuel multioperation pumps.

Explanation

Question 25 of 32

1

Q1. It is not a characteristic of the heat pipe

Select one of the following:

  • High reliability

  • Mobile parts

  • Transfers heat

  • Uses different liquids

Explanation

Question 26 of 32

1

Q2. What statement is true about air distribution

Select one of the following:

  • Does not look for a comfortable environment

  • Pipes ensure an heterogeneous distribution

  • In fighters the air flow is higher and the temperature lower

  • None of the above

Explanation

Question 27 of 32

1

Q3. About the cabin noise

Select one of the following:

  • The priority is to minimize the layers in the cabin

  • A reduction of noise is the main objective

  • The noise is not a distraction for the pilot

  • We cannot Cancel the noise through headphones

Explanation

Question 28 of 32

1

Q4. About cabin pressure

Select one of the following:

  • The maximum safe altitude for pilots without O2 is 25000ft

  • Regulation for passengers is 8000ft

  • It uses the high altitude pressurization system, located in the nose

  • None of the above

Explanation

Question 29 of 32

1

Q5. The pneumatic pressure control system has

Select one of the following:

  • Discharge valve

  • Cabin pressure controller

  • Altittude capsule

  • All of them

Explanation

Question 30 of 32

1

Q6. Levels of decompressiom

Select one of the following:

  • Explosive

  • Slow

  • Rare

  • Spectacular

Explanation

Question 31 of 32

1

Q7. Solid oxygen candles

Select one of the following:

  • Once started they cannot be stopped

  • They continue the combustion even underwater

  • They work by demand

  • All of them

Explanation

Question 32 of 32

1

Q8. The physical states of the oxygen for transportation are (select the INCORRECT):

Select one of the following:

  • Liquid

  • Gaseous

  • Solid

  • Chemical

  • NO hay incorrecta (la pregunta esta mal)

Explanation

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