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Quiz by Pablo Carpio, created more than 1 year ago

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aviation
aerodymic
fly
pilot

	Created by Pablo Carpio almost 9 years ago

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3048442

quiz

2018-02-03T08:41:33Z

Aerodynamic principles

Aerodynamic principles

Each question in this quiz is timed.

Begin Quiz

Question 1 of 20

1

What causes ground effect?

Select one of the following:

Interference between the airflow pattern of the airfoil and the ground.
Reduce slipstream near the ground.
Magic.

Explanation

Question 2 of 20

1

Drag is a rearward, retarding force, and is caused by

Select one of the following:

Disruption of airflow by the wing, fuselage, and other protruding objects.
Force that is applied to the tail
Gravity

Explanation

Question 3 of 20

1

Camber of an airfoil is

Select one of the following:

Angle between the chord line and relative wind.
The characteristic curve of its upper and lower surfaces.
The characteristic that an airfoil have.

Explanation

Question 4 of 20

1

What is load factor ?

Select one of the following:

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.

Explanation

Question 5 of 20

1

What is ground effect ?

Select one of the following:

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.

Explanation

Question 6 of 20

1

Thrust is ...

Select one of the following:

Rearward force.
Forward force.
Upward force.

Explanation

Question 7 of 20

1

Lift is the ...

Select one of the following:

Upward force.
Downward force.
Rearward force.

Explanation

Question 8 of 20

1

Does the parasite drag increases as airspeed increases ?

Select one of the following:

Need more information.
Yes,
No.

Explanation

Question 9 of 20

1

Why is called parasite drag?

Select one of the following:

Because it helps for landing.
Because it helps to improve performance.
Because it in no way functions to aid flight.

Explanation

Question 10 of 20

1

Newton’s Third Law is ...

Select one of the following:

“For a constant mass, force equals mass times acceleration.”
“As velocity increase, pressure decrease”
“For every action, there is an equal and opposite reaction.”

Explanation

Question 11 of 20

1

How the pilot control lift ?

Select one of the following:

Nose down and speed.
Angle of attack and speed.
Angle of incidence and more horsepower.

Explanation

Question 12 of 20

1

What is the function of the trim ?

Select one of the following:

Control lift.
Reduce control pressures.
Reduce the friction between the surface and the air.

Explanation

Question 13 of 20

1

Lift is

Select one of the following:

Downward force.
Rearward force.
Upward force.

Explanation

Question 14 of 20

1

The motion around the longitudinal axis is ...

Select one of the following:

Yaw.
Roll.
Pitch.

Explanation

Question 15 of 20

1

An aircraft moves in which axes?

Select one of the following:

The longitudinal, The lateral, The static.
The longitudinal, The lateral, The dimensional.
The longitudinal, The lateral, The vertical

Explanation

Question 16 of 20

1

What is Center of Gravity?

Select one of the following:

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.

Explanation

Question 17 of 20

1

The motion around the lateral axis is ...

Select one of the following:

Pitch.
Roll.
Yaw

Explanation

Question 18 of 20

1

What is Angle of attack ?

Select one of the following:

Angle between the chord line and lateral axis.
Angle between the chord line and relative wind.
Angle between the longitunidal and lateral axis

Explanation

Question 19 of 20

1

Which are the four forces act upon an aircraft.?

Select one of the following:

Thrust, lift, weight, and power.
Thrust, lift, weight, and drag.
Thrust, power, weight, and drag.

Explanation

Question 20 of 20

1

Is the center of pressure in the same location as the center of gravity ?

Select one of the following:

False.
True.
Center of pressure and center of gravity are the same thing.

Explanation

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3048442

quiz

2018-02-03T08:41:33Z

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