Questão 1
Questão
Q1. The maximum speed at which a plane can use its breaks is mostly related to:
Responda
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A. The drag of the wheels due to the wind
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B. The capability of the break system to dissipate energy
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C. The viscosity of the hydraulic system
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D. The inerce created by a fast deceleration
Questão 2
Questão
Q2. The mechanical drum brakes works by: (Choose the most correct answer)
Questão 3
Questão
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:
Responda
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A. It will be able to stop 0.5 the time it would need without brakes
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B. It will be able to stop in 500m
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C. It will be able to resist a energy dissipation of a breaking distance of 1500m
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D. It will continue being useful after a breaking of 500m
Questão 4
Responda
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A. Consists of an anti-locked breaking system
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B. Is typical in aeronautics
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C. Is located in the aileron of the F1 cars
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D. Recovers energy from the braking
Questão 5
Questão
Q5. The explosion of the wheels due to high temperatures is avoided:
Responda
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A. By using a thermal fuse
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B. By using chemical substances
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C. By using protections in the contact zone between the brake and the wheel
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D. By strengthening the discs of the braking system
Questão 6
Questão
Q6. The tyre markings are normally composed by:
Responda
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A. External diameter and section
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B. Section and maximum tyre pressure
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C. External diameter, section and maximum groundspeed
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D. External diameter, section and hub diameter
Questão 7
Questão
Q7. Aquaplaning occurs when:
Responda
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A. There is a viscous liquid in the taxiway while taxiing
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B. A wedge of water builds up in front of your tires and lifts them off the runway
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C. Tires lock up, the rubber begins to melt, and trapped water under the tire turns into steam
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D. All previous answers are correct
Questão 8
Questão
Q8. Brake sizing depends on:
Questão 9
Questão
Q9. Which is a primary control according to flight actions?
Questão 10
Questão
Q10. Which movement is in relation with the aileron?
Responda
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A. Roll
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B. Pitch
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C. Yaw
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D. All are correct
Questão 11
Questão
Q11. Which movement is in relation with the rudder?
Responda
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A. Roll
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B. Pitch
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C. Yaw
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D. All are correct
Questão 12
Questão
Q12. How many pressure in psi is used to move hydraulic controls? (standard since WWII)
Responda
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A. 1500 psi
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B. 2000 psi
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C. 2500 psi
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D. 3000 psi
Questão 13
Questão
Q13. Which are the principal characteristics of a fight aircraft?
Responda
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A. Unstable and very maneuverable
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B. Stable and very maneuverable
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C. Unstable and not maneuverable
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D. Stable and not maneuverable
Questão 14
Questão
Q14. Flight control rules:
Questão 15
Questão
Q15. About safety, approximately what is the statistic of failure in an aircraft design?
Responda
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A. 1 failure per 10^3 million hours
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B. 10 failure per 1 million hours
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C. 1 failure per 10^3 billion hours
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D. All are false
Questão 16
Questão
Q16. How is named the system which we move the control surface acting an electric engine?
Responda
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A. Fly by wire
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B. Power by wire
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C. Mechanical by wire
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D. Electrical by wire
Questão 17
Questão
Q1.Name the three axes of maneuver in flight actuaction:
Responda
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A. Elevator, flaps, lateral
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B. Pitching, rolling, yawing
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C. Spoilers, direction, rudder
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D. Yaw, pitch, rudder
Questão 18
Questão
Q2. In a cable operated control, what happens if the control is broken?
Responda
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A. Aerodynamic forces tend put the control surface in an equilibrium position
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B. Aerodynamic forces tend put the control surface in an non-controlable position
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C. It is imposible to know.
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D. None of the above
Questão 19
Questão
Q3. Which of the following is a characteristic of mechanical screwjack actuators:
Responda
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A. Quick response
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B. Slow response
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C. Low aerodynamic loads
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D. A and C are correct
Questão 20
Questão
Q4. Which of the following is not a characteristic of electrical power axis:
Questão 21
Questão
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
Responda
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A) Both are correct
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B) 5.2 is correct
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C) 5.1 is correct
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D) Both incorrect
Questão 22
Questão
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.
Responda
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A. two, electrical
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B. three, electrical
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C. three, combustion
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D. four, electrical
Questão 23
Questão
Q7. Which of the following is not a trim technique without tabs:
Questão 24
Questão
Q8. Which of the following is a leading edge flap:
Responda
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A. Split flap
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B. Flower flap
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C. Plain flap
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D. Kruger flap
Questão 25
Questão
Q9.The electric shift is traditionally employed by displacing:
Questão 26
Questão
Q10. The direct drive is:
Questão 27
Questão
Q11. What is the main advantage of using fibre optic links?
Responda
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A. It has no electromagnetic effect
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B. It is lighter than wive
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C. It is cheaper than wive
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D. It doesn’t have any advantage
Questão 28
Questão
Q12. Some advantages of using fibre optic links?
Questão 29
Questão
Q13. Fly-by-wire actuator. First generation may operate in 3 distinct modes. Choose de
false answer.
Questão 30
Questão
Q14. True or false. Jamming: problems due to contacts
Questão 31
Questão
Q15. The flight control proccesators are found in:
Questão 32
Questão
Q16.Which is the main mission of an LVDT:
Responda
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A. Transform a position of the hammer into an electrical signal
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B. Calculate the movement of the hammer in a hydraulic way
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C. Transmit the orders of the flight controls in an electric way
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D. Transform an electrical signal into a movement of the pile driver