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Home > Training for exam quizzes ATPL, PPL(A), PPL(H), BPL Hot Air, BPL Gas, SPL - Sailplane, EASA Drone, FAA Drone > Principles of Flight (Aeroplane) - Quiz SPL - Sailplane Pilot License

Quiz Principles of Flight (Aeroplane) - Quiz SPL - Sailplane Pilot License

Test 10 Questions Quiz SPL - Sailplane Pilot License - Principles of Flight (Aeroplane), no time limit

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1 - The elevator moves an aeroplane around the... Vertical axis. Longitudinal axis. Elevator axis. Lateral axis.

2 - Which statement about lift and angle of attack is correct? Increasing the angle of attack too far may result in a loss of lift and an airflow separation Increasing the angle of attack results in less lift being generated by the aerofoil Decreasing the angle of attack results in more drag being generated by the aerofoil Too large angles of attack can lead to an exponential increase in lift

3 - The static pressure of gases work... In all directions. Only in flow direction. Only in the direction of the total pressure. Only vertical to the flow direction.

4 - What has to be considered with regard to the center of gravity position? By moving the elevator trim tab, the center of gravity can be shifted into a correct position. Only correct loading can assure a correct and safe center of gravity position. The center of gravity's position can only be determined during flight. By moving the aileron trim tab, the center of gravity can be shifted into a correct position.

5 - A sailplane is operated with additional water ballast. How do best gliding angle and speed of best glide change, when compared to flying without water ballast? Best gliding angle descreases, best glide speed decreases. Best gliding angle remains unchanged, best glide speed increases. Best gliding angle remains increases, best glide speed increases. Best gliding angle remains unchanged, best glide speed decreases.

6 - The critical angle of attack... Increases with a front centre of gravity Is changed by different aircraft weights. Is not changed by different aircraft weights. Decreases with a rear centre of gravity.

7 - What leads to a decreased stall speed Vs (IAS)? Lower density Decreasing weight Lower altitude Higher load factor

8 - What effect is referred to as "adverse yaw"? Aileron operation results in a yaw to the desired side due to less drag at the down-deflected aileron Rudder operation results in a rolling moment to the opposite side due to more lift generated by the faster moving wing. Aileron operation results in a yaw to the opposite side due to more drag at the up-deflected aileron Aileron operation results in a yaw to the opposite side due to more drag at the down-deflected aileron

9 - How do lift and drag change when approaching a stall condition? Lift decreases and drag increases Lift and drag increase Lift increases and drag decreases Lift and drag decrease

10 - What is the diffeence between spin and spiral dive? Spin: stall at inner wing, speed increasing rapidly; Spiral dive: airflow at both wings, speed constant Spin: stall at inner wing, speed constant; Spiral dive: airflow at both wings, speed increasing rapidly Spin: stall at outer wing, speed constant; Spiral dive: airflow at both wings, speed increasing rapidly Spin: stall at outer wing, speed increasing rapidly; Spiral dive: airflow at both wings, speed constant

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