3048442
Descrição
Quiz por Pablo Carpio, atualizado more than 1 year ago
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Criado por Pablo Carpio
quase 9 anos atrás
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Questão 1
Questão
What causes ground effect?
Responda
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Interference between the airflow pattern of the airfoil and the ground.
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Reduce slipstream near the ground.
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Magic.
Questão 2
Questão
Drag is a rearward, retarding force, and is caused by
Responda
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Disruption of airflow by the wing, fuselage, and other protruding objects.
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Force that is applied to the tail
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Gravity
Questão 3
Questão
Camber of an airfoil is
Responda
-
Angle between the chord line and relative wind.
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The characteristic curve of its upper and lower surfaces.
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The characteristic that an airfoil have.
Questão 4
Questão
What is load factor ?
Responda
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Is the ratio of the load supported by the airplane's wing.
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Is just a feeling of the pilot while he is maneuver.
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Is the maximum gross weight of the aircraft.
Questão 5
Questão
What is ground effect ?
Responda
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Is the interference of the ground surface with landing gear.
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Is the interference of the ground surface with airflow pattern about aircraft in flight.
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Is just a feeling of the pilot while he is landing.
Questão 6
Questão
Thrust is ...
Responda
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Rearward force.
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Forward force.
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Upward force.
Questão 7
Questão
Lift is the ...
Responda
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Upward force.
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Downward force.
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Rearward force.
Questão 8
Questão
Does the parasite drag increases as airspeed increases ?
Responda
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Need more information.
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Yes,
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No.
Questão 9
Questão
Why is called parasite drag?
Responda
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Because it helps for landing.
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Because it helps to improve performance.
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Because it in no way functions to aid flight.
Questão 10
Questão
Newton’s Third Law is ...
Responda
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“For a constant mass, force equals mass times acceleration.”
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“As velocity increase, pressure decrease”
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“For every action, there is an equal and opposite reaction.”
Questão 11
Questão
How the pilot control lift ?
Responda
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Nose down and speed.
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Angle of attack and speed.
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Angle of incidence and more horsepower.
Questão 12
Questão
What is the function of the trim ?
Responda
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Control lift.
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Reduce control pressures.
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Reduce the friction between the surface and the air.
Questão 13
Questão
Lift is
Responda
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Downward force.
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Rearward force.
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Upward force.
Questão 14
Questão
The motion around the longitudinal axis is ...
Responda
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Yaw.
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Roll.
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Pitch.
Questão 15
Questão
An aircraft moves in which axes?
Responda
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The longitudinal, The lateral, The static.
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The longitudinal, The lateral, The dimensional.
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The longitudinal, The lateral, The vertical
Questão 16
Questão
What is Center of Gravity?
Responda
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An imaginary vertical plane from which all horizontal distances are measured for balance purposes.
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The point at which an airplane would balance if suspended.
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Difference between takeoff weight,and basic empty weight.
Questão 17
Questão
The motion around the lateral axis is ...
Responda
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Pitch.
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Roll.
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Yaw
Questão 18
Questão
What is Angle of attack ?
Responda
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Angle between the chord line and lateral axis.
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Angle between the chord line and relative wind.
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Angle between the longitunidal and lateral axis
Questão 19
Questão
Which are the four forces act upon an aircraft.?
Responda
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Thrust, lift, weight, and power.
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Thrust, lift, weight, and drag.
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Thrust, power, weight, and drag.
Questão 20
Questão
Is the center of pressure in the same location as the center of gravity ?
Responda
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False.
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True.
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Center of pressure and center of gravity are the same thing.
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