Term
| Bernoulli’s Principle states: “The internal pressure of a fluid ________ at points where the speed of the fluid ________.” |
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Definition
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Term
| When air is forced to travel at a faster speed across the top of a wing versus the bottom, this will result in ________ the wing. |
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Definition
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Term
| Which statement best expresses Newton’s Third Law of Motion? |
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Definition
| For every action, there is an equal and opposite reaction. |
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Term
| The three principle airfoils on an aircraft that produce lift are _______. |
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Definition
| wing, propeller, and horizontal tail surfaces |
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Term
| An imaginary straight line drawn from the leading edge to the trailing edge of a cross section of an airfoil is called the _______. |
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Definition
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Term
| The direction of the relative wind is determined by the _______. |
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Definition
| flight path of the aircraft |
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Term
| What force in flight counteracts lift? |
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Definition
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Term
| What is used to determine the angle of attack? |
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Definition
| Relative wind and chord line |
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Term
| Actual atmospheric pressure at a given time and place does not depend on which of the following? |
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Definition
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Term
| For an aircraft to maintain a constant airspeed and maintain straight and level flight, what must be in balance? |
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Definition
| Thrust and drag; lift and weight |
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Term
| Which are the primary control surfaces on an airplane? |
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Definition
| Rudder, ailerons, and elevator |
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Term
| Movement around the vertical axis is controlled by the _______. |
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Definition
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Term
| Movement around the longitudinal axis is called _______. |
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Definition
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Term
| Which action would cause a change in pitch? |
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Definition
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Term
| Which control allows the pilot to relieve manual pressure on the primary controls? |
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Definition
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Term
| At approximately what angle of attack will air no longer flow smoothly over the wing’s upper surface? |
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Definition
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Term
| The most hazardous aspect of structural icing is _______. |
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Definition
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Term
| What type of icing is an aircraft likely to encounter when flying in temperatures above freezing? |
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Definition
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Term
| The forces that are acting on a helicopter in flight are lift, thrust, _______, and _______. |
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Definition
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Term
| What term defines a maneuver in which a helicopter is in motionless flight over a reference point, and maintaining a constant heading and altitude? |
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Definition
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Term
| What is the basic purpose of the autorotation maneuver in a helicopter? |
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Definition
| Provide a controlled landing when the engine is no longer supplying power |
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Term
| The pitch (angle of attack) of a helicopter rotor blade is controlled by the ________. |
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Definition
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