Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The force that opposes the forward motion of the
plane is called ____________.
a. | thrust | c. | drag | b. | lift | d. | gravity |
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2.
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The engine of an airplane provides
__________.
a. | thrust | c. | drag | b. | lift | d. | gravity |
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3.
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The wings of an airplane are designed to provide
_____________.
a. | thrust | c. | drag | b. | lift | d. | gravity |
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4.
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The ____________ are used to raise or lower the
wings.
a. | ailerons | c. | rudder | b. | elevators | d. | pitch |
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5.
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The _______ are used to raise or lower the tail of
a plane and cause the nose to rise or dip.
a. | ailerons | c. | rudder | b. | elevators | d. | pitch |
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6.
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The directions of the plane from left and right is
controlled by the _________.
a. | ailerons | c. | rudder | b. | elevators | d. | pitch |
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7.
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The four important principles of flight are lift,
drag, thrust, and ___________.
a. | energy | c. | gravity | b. | density | d. | run |
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8.
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The center of gravity of an object is
_____________.
a. | the heaviest part of an object
| c. | the balancing point for that object
| b. | always located at the end of an object.
| d. | the shortest
distance between two points
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9.
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A smooth surface on the airplane will decrease the
_____ on an airplane
a. | lift | c. | thrust | b. | drag | d. | show wave |
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10.
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A plane can get lift because air flowing underneath
the wings exerts _______ than the air that flows over the top of the wings.
a. | more friction | c. | more pressure | b. | less friction | d. | less pressure |
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11.
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The engine speed is increased or decreased with the
use of the ________.
a. | Ailerons | c. | Throttle | b. | Elevators | d. | Yaw |
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12.
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The pilot controls the ________ with foot
pedals.
a. | ailerons | c. | rudder | b. | elevator | d. | throttle |
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13.
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Air pressure at sea level is 14.7 pounds per square
inch, or __________.
a. | 1 kilogram per square centimeter | c. | 2 kilograms per square
centimeter | b. | 1.5 kilograms per square centimeter | d. | 2.5 kilograms per square
centimeter |
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14.
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The idea that pressure in a fluid decreases when
its speed increases was established by _________.
a. | Leonardo DiVinci | c. | Daniel Bernoulli | b. | Wilbur Wright | d. | Orville Wright |
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15.
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Newton's 3rd law of motion states:
__________________.
a. | E = MC^2 | c. | One good deed deserves another. | b. | For every action
there is an equal and opposite reaction. | d. | If something can go wrong, it will go wrong. |
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