Justin Vaughan
Quiz by , created more than 1 year ago

This lesson is a basic introduction to the theory of aerodynamics. It provides a knowledge base in aerodynamic mathematics, air properties, airspeed and altitude definitions and measurements, airfoil and wing design, and the importance of center of gravity (CG).

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Justin Vaughan
Created by Justin Vaughan about 9 years ago
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ASSIGNMENT SHEET 2-1-3: BASIC THEORY REVIEW

Question 1 of 10

1

A moment is ______.

Select one of the following:

  • the force with which a mass is attracted toward the center of the earth

  • the result of mass x acceleration

  • a body’s capacity to do work

  • created when a force is applied at some distance from an axis or fulcrum, producing
    rotation about that point

Explanation

Question 2 of 10

1

Mass per unit of volume defines which of the following?

Select one of the following:

  • Work

  • Play

  • Density

  • Power

Explanation

Question 3 of 10

1

Potential energy is ______.

Select one of the following:

  • the ability of a body to do work due to its motion

  • dependent on mass and velocity

  • a scalar measure of a body’s capacity to do work

  • the ability of a body to do work due to its position or state of being

Explanation

Question 4 of 10

1

The Law of Interaction states ______.

Select one of the following:

  • “For every action there is an equal and opposite reaction.”

  • “A body at rest tends to stay at rest.”

  • “Two opposite forces cannot interact.”

  • “An unbalanced force acting upon a body produces an acceleration in the direction of the force that is directly proportional to the force and inversely proportional to the mass of the body.”

Explanation

Question 5 of 10

1

True airspeed will be ______ indicated airspeed at 10,000 feet MSL.

Select one of the following:

  • less than

  • equal to

  • greater than

  • not enough information to determine

Explanation

Question 6 of 10

1

The chord of an airfoil is defined as ______.

Select one of the following:

  • the angle between the longitudinal axis and the horizon

  • a measure of the wing along the chordline, from the leading edge to the trailing edge

  • an infinitely long line drawn through the leading and trailing edges of an airfoil

  • the length of a wing

Explanation

Question 7 of 10

1

Air density is _____ at 10,000 feet compared to ______ feet.

Select one of the following:

  • lower/5000

  • equal/5000

  • equal/20,000

  • lower/20,000

Explanation

Question 8 of 10

1

The altimeter setting for standard day where pressure altitude equals true altitude is ______in-Hg.

Select one of the following:

  • 29.92

  • 92.29

  • 92.92

  • 1013.2

Explanation

Question 9 of 10

1

The center of gravity is the point at which ______.

Select one of the following:

  • lift is generated

  • all aerodynamic forces are concentrated

  • elevator authority is lost

  • all weight is concentrated

Explanation

Question 10 of 10

1

The ______ axis is which the aircraft nose moves left or right about the center of gravity.

Select one of the following:

  • center

  • yaw

  • pitch

  • roll

Explanation

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