Unit 1 Pilot Quiz

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Question 1 of 1

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What is one purpose of wing flaps?

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Explanation

Extending the flaps increases the wing camber and the angle of attack of the wing. This increases wing lift and induced drag, which enables the pilot to make steeper approaches to a landing without an increase in air speed.

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One of the main functions of flaps during approach and landing is to

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Explanation

Extending the flaps increases to wing camber and the angle of attack of the wing. This increases wing lift and induced drag, which enables the pilot to increase the angle of descent without increasing the airspeed.

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What is the purpose of the rudder on an airplane?

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Explanation

The rudder is used to control yaw which is rotation about the airplane's vertical axis.

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Which is not a primary flight control surface?

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Explanation

The three primary flight controls of an airplane are the ailerons, the elevator (or stabilator), and the rudder.

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The elevator controls movement around which axis?

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Explanation

The elevator is the primary control device for changing the pitch of an airplane about the lateral axis.

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Which statement is true concerning primary flight controls?

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Explanation

Rudder, aileron, and elevator effectiveness increase with speed because there is more air flow over the surface of the control device.

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Which of the following is true concerning flaps?

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Explanation

Flaps are attached to the trailing edge of the wing and are used during approach and landing to increase wing lift. This allows an increase in the angle of descent without increasing air speed.

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Which device is a secondary flight control?

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Explanation

Spoilers are high drag devices that assist an aircraft in slowing down and losing altitude without gaining extra speed. They are common on gliders and some high-speed aircraft.

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Trim systems are designed to do what?

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Explanation

Trim systems are used to relieve the pilot of the need to maintain constant back pressure on the flight controls. They include trim tabs, anti-servo tabs, and ground adjustable tabs.

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The four forces acting on an airplane in flight are

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Explanation

Lift is produced by the wings and opposes weight, which is the result of gravity. Thrust is produced by the engine/propeller and opposes drag, which is the resistance of the air as the airplane moves through it.

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When are the four forces that act on an airplane in equilibrium?

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Explanation

The four forces (left, weight, thrust, and drag) that act on an airplane are in equilibrium during unaccelerated level flight.

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What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight?

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Explanation

When the airplane is in straight-and-level flight (assuming no change in air speed), it is not accelerating, and therefore lift equals weight and thrust equals drag.

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Which statement relates to Bernoulli's principle?

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Explanation

Bernoulli's principle states in part that the internal pressure of a fluid (liquid or gas) decreases at points where the speed of a fluid increases. The same principle applies to air flowing over the curved upper surface of a wing.

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The term \"angle of attack\" is defined as the angle between the

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Explanation

The angle of attack is the angle between the wing chord line and the direction of the relative wind. The wing chord line is a straight line from the leading edge to the trailing edge of the wing. The relative wind is the direction of the airflow relative

Unit 1 Pilot Quiz

Question 1 of 1

Time Left

What is one purpose of wing flaps?

Select the correct answer(s).

(0/0)

Explanation

One of the main functions of flaps during approach and landing is to

Select the correct answer(s).

(0/0)

Explanation

What is the purpose of the rudder on an airplane?

Select the correct answer(s).

(0/0)

Explanation

Which is not a primary flight control surface?

Select the correct answer(s).

(0/0)

Explanation

The elevator controls movement around which axis?

Select the correct answer(s).

(0/0)

Explanation

Which statement is true concerning primary flight controls?

Select the correct answer(s).

(0/0)

Explanation

Which of the following is true concerning flaps?

Select the correct answer(s).

(0/0)

Explanation

Which device is a secondary flight control?

Select the correct answer(s).

(0/0)

Explanation

Trim systems are designed to do what?

Select the correct answer(s).

(0/0)

Explanation

The four forces acting on an airplane in flight are

Select the correct answer(s).

(0/0)

Explanation

When are the four forces that act on an airplane in equilibrium?

Select the correct answer(s).

(0/0)

Explanation

What is the relationship of lift, drag, thrust, and weight when the airplane is in straight-and-level flight?

Select the correct answer(s).

(0/0)

Explanation

Which statement relates to Bernoulli's principle?

Select the correct answer(s).

(0/0)

Explanation

The term \"angle of attack\" is defined as the angle between the

Select the correct answer(s).

(0/0)

Explanation

The term \"angle of attack\" is defined as the angle

Select the correct answer(s).

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Explanation

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