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ATC Basics Ch 2 Exam Questions & Answers 2024/2025
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ATC Basics Ch 2 Exam Questions & Answers 2024/2025 "The internal pressure of a fluid decreases at point where the speed of the fluid increases" is part of what principle A. Bernoulli's Principle B. Newton's law of motion C. Hindenberg's Theory - ANSWERSA. Bernoulli's Principle What is th...

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  • August 15, 2024
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  • 2024/2025
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ATC Basics Ch 2 Exam Questions &
Answers 2024/2025

"The internal pressure of a fluid decreases at point where the speed of the fluid increases" is part of
what principle

A. Bernoulli's Principle

B. Newton's law of motion

C. Hindenberg's Theory - ANSWERSA. Bernoulli's Principle



What is the primary source of lift? - ANSWERSBernoulli's Principle



What is the secondary source of lift? - ANSWERSNewton's third law



Describe Newton's third law. - ANSWERSUpward force generated by air striking the underside of an
airfoil and being deflected downward.



What is relative wind? - ANSWERSDirection of airflow produced by object moving through the air



What direction does relative wind flow? - ANSWERSParallel with and opposite to direction of flight



Three main airfoils. - ANSWERSWing, horizontal stabilizer, prop



What is the chord line? - ANSWERSimaginary line from the leading edge to trailing edge of the wing.



What are the parts of an airfoil? - ANSWERSLeading edge, Trailing edge, and Chord line



What is angle of attack? - ANSWERSangle between the chord line and relative wind.

, Describe camber - ANSWERSCurvature of an airfoil, from leading edge to the trailing edge.



What is the shape or form of a wing viewed form above? - ANSWERSWing Planform



Four forces affecting flight - ANSWERSLift, Weight, Trust, Drag



Three properties that affect air density and A/C performance - ANSWERSTemp, Altitude of elevation,
humidity



What is the average surface temp in the U.S. - ANSWERS59 degrees.



What is the average lapse rate? - ANSWERS3.5 degrees Fahrenheit (2 degrees C) every 1,000 feet.



What air is denser. Warm or cold? - ANSWERSCold



Lower pressure is associated with what kind of air? - ANSWERSThin, or less dense air



Does High or Low density altitude indicate thinner air? - ANSWERSHigh



List some ways that performance is reduce by Higher density altitude, High temp, and High elevation -
ANSWERSLonger takeoff roll, Longer landing roll, Slower climb rate, Landing speed increased.



Three propeller types - ANSWERSAdjustable, (adjust on ground). Fixed pitch. Controllable, (auto varied in
flight.



Longitudinal axis rotates ______ - ANSWERSRoll



Lateral axis rotates ________ - ANSWERSPitch



Vertical axis rotates ________ - ANSWERSYaw

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