SIFT Aviation Information Exam
Questions and Answers
A helicopter is... - ANSWER-A type of Rotorcraft
Helicopter turbine engines produce _____ thrust per pound than piston engines: -
ANSWER-More
The main forces acting on a helicopter are: - ANSWER-Lift
Weight
Thrust
Drag
helicopters typically have been ___ and ___ main rotor blades: - ANSWER-2 to 6
Main rotor system components can include - ANSWER-Stabilizer bar
upper and lower swashplates
counterweights
Pitch horns
teeter or conning hinges
blade grips
pitch and scissors links
control rods
A pilot controls a helicopter using: - ANSWER-Pedals
collective
throttle
cyclic
From a physics perspective, the ___ force is deemed to act through a helicopters ____:
- ANSWER-Total weight, center of gravity
When a pilot banks a helicopter, causing it to turn, ______ - ANSWER-The machines
weight increases
In the case of helicopters, lift is produced by _____ moving the air at a speed sufficient
to create ____: - ANSWER-Airfoils, pressure differential
Thrust acts ___ to the aircrafts ____: - ANSWER-Parallel, longitudinal axis
Questions and Answers
A helicopter is... - ANSWER-A type of Rotorcraft
Helicopter turbine engines produce _____ thrust per pound than piston engines: -
ANSWER-More
The main forces acting on a helicopter are: - ANSWER-Lift
Weight
Thrust
Drag
helicopters typically have been ___ and ___ main rotor blades: - ANSWER-2 to 6
Main rotor system components can include - ANSWER-Stabilizer bar
upper and lower swashplates
counterweights
Pitch horns
teeter or conning hinges
blade grips
pitch and scissors links
control rods
A pilot controls a helicopter using: - ANSWER-Pedals
collective
throttle
cyclic
From a physics perspective, the ___ force is deemed to act through a helicopters ____:
- ANSWER-Total weight, center of gravity
When a pilot banks a helicopter, causing it to turn, ______ - ANSWER-The machines
weight increases
In the case of helicopters, lift is produced by _____ moving the air at a speed sufficient
to create ____: - ANSWER-Airfoils, pressure differential
Thrust acts ___ to the aircrafts ____: - ANSWER-Parallel, longitudinal axis
