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