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Exam (elaborations)

SIFT Exam UPDATED Exam Questions and CORRECT Answers

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SIFT Exam UPDATED Exam Questions and CORRECT Answers A disadvantage of a single main rotor helicopter is? - CORRECT ANSWER secondary rotor diverts power to counter torque, rather than being used for lift Thrust is created by? - CORRECT ANSWER - The engine(s) of a helicopter What are some common helicopter controls? - CORRECT ANSWER Collective Throttle - The - Cyclic

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SIFT Exam UPDATED Exam Questions and
CORRECT Answers
A disadvantage of a single main rotor helicopter is? - CORRECT ANSWER - The
secondary rotor diverts power to counter torque, rather than being used for lift


Thrust is created by? - CORRECT ANSWER - The engine(s) of a helicopter



What are some common helicopter controls? - CORRECT ANSWER - Cyclic
Collective
Throttle


What are some commonly used helicopter taxi maneuvers? - CORRECT ANSWER - Air
Taxi
Ground Taxi
Hover Taxi


Angle of incidence is a mechanical angle between? - CORRECT ANSWER - The chord
line of the blade and the circular plane in which it rotates


Blade flapping is used during takeoff to? - CORRECT ANSWER - Counter dissymmetry
of lift


Airfoils are used to? - CORRECT ANSWER - Regulate airflow



Settling with power is also known as? - CORRECT ANSWER - Vortex ring state



Bernoulli's principle explains helicopter lift due to? - CORRECT ANSWER - Lower
pressure occurring over a wind blade than under it

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