Avit 323: block 11- Dilse UPDATED Exam Questions and CORRECT Answers

Avit 323: block 11- Dilse UPDATED Exam
Questions and CORRECT Answers
As you increase in altitude, the amount of power the engine produces (normally aspirated
engines)... - CORRECT ANSWER - Decreases



BHP x Propeller efficiency= - CORRECT ANSWER - THP



THP - CORRECT ANSWER - the actual horsepower delivered by the engine-propeller



How does weight affect performance - CORRECT ANSWER - -higher liftoff speed
-longer ground roll
-slower climb
-higher stall sped


High density altitude airports - CORRECT ANSWER - Will have a low density (Colorado
airports)
-High altitude
-High temperature
-Worse ROC


Low density altitude airports - CORRECT ANSWER - Will have a high density (Grand
Forks)
-Low altitude
-Low temperature
-Better ROC


Power required - CORRECT ANSWER - Nothing to do with engine
-Amount of power that is required to maintain unaccelerated flight

, (Drag x Velocity)


Forces acting on an airplane in cruise flight - CORRECT ANSWER - -Temperature
-Altitude
-RPM
-Weight


Power available - CORRECT ANSWER - Has to do with engine
(BHP x propeller efficiency)


Maximum ROC is obtained when... - CORRECT ANSWER - The biggest excess power
region


Vertical gust - CORRECT ANSWER - Changes in AOA
-Rising gust: increases AOA
-Falling gust: decreases AOA


Horizontal gust - CORRECT ANSWER - Changes in Airspeed
-Induces indued drag


Define L/D max - CORRECT ANSWER - A specific AOA where Lift/drag is at its
maximum
-Gives you best glide, Vy, best angle
-Is TANGENT to the power required


Vx - CORRECT ANSWER - Best angle (distance)
-Ratio of ROC and velocity is at its greatest
-Increases with altitude: indicated and true