Question 1
Question
Q1. The maximum speed at which a plane can use its breaks is mostly related to:
Answer
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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
Question 2
Question
Q2. The mechanical drum brakes works by: (Choose the most correct answer)
Question 3
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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:
Answer
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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
Question 4
Answer
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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
Question 5
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Q5. The explosion of the wheels due to high temperatures is avoided:
Answer
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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
Question 6
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Q6. The tyre markings are normally composed by:
Answer
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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
Question 7
Question
Q7. Aquaplaning occurs when:
Answer
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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
Question 8
Question
Q8. Brake sizing depends on:
Question 9
Question
Q9. Which is a primary control according to flight actions?
Question 10
Question
Q10. Which movement is in relation with the aileron?
Answer
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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
Question 11
Question
Q11. Which movement is in relation with the rudder?
Answer
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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
Question 12
Question
Q12. How many pressure in psi is used to move hydraulic controls? (standard since WWII)
Answer
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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
Question 13
Question
Q13. Which are the principal characteristics of a fight aircraft?
Answer
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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
Question 14
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Q14. Flight control rules:
Question 15
Question
Q15. About safety, approximately what is the statistic of failure in an aircraft design?
Answer
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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
Question 16
Question
Q16. How is named the system which we move the control surface acting an electric engine?
Answer
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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
Question 17
Question
Q1.Name the three axes of maneuver in flight actuaction:
Answer
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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
Question 18
Question
Q2. In a cable operated control, what happens if the control is broken?
Answer
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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
Question 19
Question
Q3. Which of the following is a characteristic of mechanical screwjack actuators:
Answer
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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
Question 20
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Q4. Which of the following is not a characteristic of electrical power axis:
Question 21
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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
Answer
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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
Question 22
Question
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.
Answer
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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
Question 23
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Q7. Which of the following is not a trim technique without tabs:
Question 24
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Q8. Which of the following is a leading edge flap:
Answer
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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
Question 25
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Q9.The electric shift is traditionally employed by displacing:
Question 26
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Q10. The direct drive is:
Question 27
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Q11. What is the main advantage of using fibre optic links?
Answer
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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
Question 28
Question
Q12. Some advantages of using fibre optic links?
Question 29
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Q13. Fly-by-wire actuator. First generation may operate in 3 distinct modes. Choose de
false answer.
Question 30
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Q14. True or false. Jamming: problems due to contacts
Question 31
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Q15. The flight control proccesators are found in:
Question 32
Question
Q16.Which is the main mission of an LVDT:
Answer
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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