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...
"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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