91.Semana de Caro

Descripción

AVIÓNICA Test sobre 91.Semana de Caro, creado por Ismael Vázquez el 02/04/2018.
Ismael Vázquez
Test por Ismael Vázquez, actualizado hace más de 1 año
Ismael Vázquez
Creado por Ismael Vázquez hace más de 6 años
118
4

Resumen del Recurso

Pregunta 1

Pregunta
Q1. The maximum speed at which a plane can use its breaks is mostly related to:
Respuesta
  • A. The drag of the wheels due to the wind
  • B. The capability of the break system to dissipate energy
  • C. The viscosity of the hydraulic system
  • D. The inerce created by a fast deceleration

Pregunta 2

Pregunta
Q2. The mechanical drum brakes works by: (Choose the most correct answer)
Respuesta
  • A. Compression
  • B. Expansion
  • C. Compression and it needs to disipate the energy generated
  • D. Expansion but it’s a system which doesn’t need to disipate any energy

Pregunta 3

Pregunta
Q3. Break system must be designed for 1.5 the normal braking distance. It means that if we know that the normal braking distance for an aircraft is 1000m:
Respuesta
  • A. It will be able to stop 0.5 the time it would need without brakes
  • B. It will be able to stop in 500m
  • C. It will be able to resist a energy dissipation of a breaking distance of 1500m
  • D. It will continue being useful after a breaking of 500m

Pregunta 4

Pregunta
Q4. The KERS:
Respuesta
  • A. Consists of an anti-locked breaking system
  • B. Is typical in aeronautics
  • C. Is located in the aileron of the F1 cars
  • D. Recovers energy from the braking

Pregunta 5

Pregunta
Q5. The explosion of the wheels due to high temperatures is avoided:
Respuesta
  • A. By using a thermal fuse
  • B. By using chemical substances
  • C. By using protections in the contact zone between the brake and the wheel
  • D. By strengthening the discs of the braking system

Pregunta 6

Pregunta
Q6. The tyre markings are normally composed by:
Respuesta
  • A. External diameter and section
  • B. Section and maximum tyre pressure
  • C. External diameter, section and maximum groundspeed
  • D. External diameter, section and hub diameter

Pregunta 7

Pregunta
Q7. Aquaplaning occurs when:
Respuesta
  • A. There is a viscous liquid in the taxiway while taxiing
  • B. A wedge of water builds up in front of your tires and lifts them off the runway
  • C. Tires lock up, the rubber begins to melt, and trapped water under the tire turns into steam
  • D. All previous answers are correct

Pregunta 8

Pregunta
Q8. Brake sizing depends on:
Respuesta
  • A. The aircraft mass but it doesn’t depend on the heat sink specific heat
  • B. Temperature increment during braking
  • C. A and B are correct
  • D. A and B are false

Pregunta 9

Pregunta
Q9. Which is a primary control according to flight actions?
Respuesta
  • A. Elevator
  • B. Rudder
  • C. Aleron
  • D. A,B and C more basic maneuvers.

Pregunta 10

Pregunta
Q10. Which movement is in relation with the aileron?
Respuesta
  • A. Roll
  • B. Pitch
  • C. Yaw
  • D. All are correct

Pregunta 11

Pregunta
Q11. Which movement is in relation with the rudder?
Respuesta
  • A. Roll
  • B. Pitch
  • C. Yaw
  • D. All are correct

Pregunta 12

Pregunta
Q12. How many pressure in psi is used to move hydraulic controls? (standard since WWII)
Respuesta
  • A. 1500 psi
  • B. 2000 psi
  • C. 2500 psi
  • D. 3000 psi

Pregunta 13

Pregunta
Q13. Which are the principal characteristics of a fight aircraft?
Respuesta
  • A. Unstable and very maneuverable
  • B. Stable and very maneuverable
  • C. Unstable and not maneuverable
  • D. Stable and not maneuverable

Pregunta 14

Pregunta
Q14. Flight control rules:
Respuesta
  • A. Safety
  • B. Reliability
  • C. Minimum weight and cost
  • D. A,B and C are correct

Pregunta 15

Pregunta
Q15. About safety, approximately what is the statistic of failure in an aircraft design?
Respuesta
  • A. 1 failure per 10^3 million hours
  • B. 10 failure per 1 million hours
  • C. 1 failure per 10^3 billion hours
  • D. All are false

Pregunta 16

Pregunta
Q16. How is named the system which we move the control surface acting an electric engine?
Respuesta
  • A. Fly by wire
  • B. Power by wire
  • C. Mechanical by wire
  • D. Electrical by wire

Pregunta 17

Pregunta
Q1.Name the three axes of maneuver in flight actuaction:
Respuesta
  • A. Elevator, flaps, lateral
  • B. Pitching, rolling, yawing
  • C. Spoilers, direction, rudder
  • D. Yaw, pitch, rudder

Pregunta 18

Pregunta
Q2. In a cable operated control, what happens if the control is broken?
Respuesta
  • A. Aerodynamic forces tend put the control surface in an equilibrium position
  • B. Aerodynamic forces tend put the control surface in an non-controlable position
  • C. It is imposible to know.
  • D. None of the above

Pregunta 19

Pregunta
Q3. Which of the following is a characteristic of mechanical screwjack actuators:
Respuesta
  • A. Quick response
  • B. Slow response
  • C. Low aerodynamic loads
  • D. A and C are correct

Pregunta 20

Pregunta
Q4. Which of the following is not a characteristic of electrical power axis:
Respuesta
  • A. Great cost
  • B. No high pressure fluid needed
  • C. Great Maintenance
  • D. High power ( in relation weight/power)

Pregunta 21

Pregunta
Q5. If the stick force gradient is: 5.1- too high: the pilots get over tired 5.2- too low: danger for over- stressing the airframe
Respuesta
  • A) Both are correct
  • B) 5.2 is correct
  • C) 5.1 is correct
  • D) Both incorrect

Pregunta 22

Pregunta
Q6.The actuator power is provided by a _______ phase constant speed ______motor driving a variable displacement hydraulic pump that provides the hydraulic pressure to power the actuator ram.
Respuesta
  • A. two, electrical
  • B. three, electrical
  • C. three, combustion
  • D. four, electrical

Pregunta 23

Pregunta
Q7. Which of the following is not a trim technique without tabs:
Respuesta
  • A. Horn
  • B. Hinge axis displacement
  • C. Anti-tab
  • D. Non of the above

Pregunta 24

Pregunta
Q8. Which of the following is a leading edge flap:
Respuesta
  • A. Split flap
  • B. Flower flap
  • C. Plain flap
  • D. Kruger flap

Pregunta 25

Pregunta
Q9.The electric shift is traditionally employed by displacing:
Respuesta
  • A. Flaps
  • B. Landing gear
  • C. Trim
  • D. A and C are both correct

Pregunta 26

Pregunta
Q10. The direct drive is:
Respuesta
  • A. An element which allows a movement being the flexible part the electric engine rotor.
  • B. The backlash
  • C. The jamming
  • D. None of the above

Pregunta 27

Pregunta
Q11. What is the main advantage of using fibre optic links?
Respuesta
  • A. It has no electromagnetic effect
  • B. It is lighter than wive
  • C. It is cheaper than wive
  • D. It doesn’t have any advantage

Pregunta 28

Pregunta
Q12. Some advantages of using fibre optic links?
Respuesta
  • A. Are lighter
  • B. Are easier to maintain
  • C. Are safer
  • D. None of the above

Pregunta 29

Pregunta
Q13. Fly-by-wire actuator. First generation may operate in 3 distinct modes. Choose de false answer.
Respuesta
  • A. Full FBN mode
  • B. Direct Electrical Link Mode
  • C. Mechanical Reversion Mode
  • D. Crew Mode

Pregunta 30

Pregunta
Q14. True or false. Jamming: problems due to contacts
Respuesta
  • A. True
  • B. False

Pregunta 31

Pregunta
Q15. The flight control proccesators are found in:
Respuesta
  • A. Fly-by-wire
  • B. Hidraulic transmission
  • C. Cable and pulley transmission
  • D. None of the above

Pregunta 32

Pregunta
Q16.Which is the main mission of an LVDT:
Respuesta
  • A. Transform a position of the hammer into an electrical signal
  • B. Calculate the movement of the hammer in a hydraulic way
  • C. Transmit the orders of the flight controls in an electric way
  • D. Transform an electrical signal into a movement of the pile driver
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