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SIFT (Army Aviation Information) Practice Test Study Guide with Complete Solutions
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SIFT (Army Aviation Information) Practice Test Study Guide with Complete Solutions The typical structure of a helicopter is a ______ (fill in the blank) with a ____ (fill in the blank) protruding upward out of it. - Answer-Fuselage (the body of the craft), Mast. The engine of the craft drives ...

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  • October 7, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • sift army aviation information practice test stu

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  • SIFT
  • SIFT

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EmillyCharlotte

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EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024




SIFT (Army Aviation Information)
Practice Test Study Guide with Complete
Solutions

The typical structure of a helicopter is a ______ (fill in the blank) with a ____ (fill in the blank) protruding

upward out of it. - Answer✔✔-Fuselage (the body of the craft), Mast.


The engine of the craft drives power upward through the ____ (fill in the blank) to the rotor blades,

which are controlled by the pilot. - Answer✔✔-Mast


This main rotor is used to generate ____ (fill in the blank). - Answer✔✔-Thrust.


____ (fill in the blank) is balanced by a second rotor, usually a tail rotor, which is intended to account for

the effects of ____ (fill in the blank). - Answer✔✔-Thrust, Torque.


What are the two main types of aircraft? - Answer✔✔-Rotorcraft and Fixed Wing.


The main advantage of a helicopter over an airplane is its ability to takeoff ____ (fill in the blank). It can

also ____ (fill in the blank). This means helicopters can be used to takeoff from and land in places that

would be impossible for planes. They can also perform tasks such as dropping cargo or troops into

challenging positions. - Answer✔✔-Vertically, Hover.


What are the different Helicopter types? - Answer✔✔-Single Main Rotor, Tandem Rotor, and Coaxial

Rotor.




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, EMILLYCHARLOTTE 2024/2025 ACADEMIC YAER ©2024 EMILLYCHARLOTTE. ALL RIGHTS RESERVED
FIRST PUBLISH SEPTEMBER 2024


This is the most common design for a helicopter- a ____ (fill in the blank) rotor generating power, with a

secondary rotor, such as a tail rotor, used to offset the effects of torque. One disadvantage of this design

is that some power is used for countering ____ (fill in the blank), rather than being used solely for lift. -

Answer✔✔-A Single Main Rotor, Torque.


This helicopter design features two main rotating blade sections: front and rear. Each set of blades

rotates counter to the other, meaning that torque is automatically offset. There is no need for additional

measures, such as a tail rotor, to deal with torque. Because of this, all of the power from the engine can

be used to lift. Consequently, ____ (fill in the blank) helicopters are some of the fastest and most

powerful in existence. - Answer✔✔-Tandem Rotor Helicopter.


This type of helicopter features two sets of blades rotating above and beneath each other. The two sets

of blades are mounted to the same mast, but rotate in opposite directions to each other. This has the

advantage of reducing ____ (fill in the blank) and allowing for greater cargo and passenger capacity as a

result. - Answer✔✔-Coaxial Rotor Helicopter, Payload.


____ (fill in the blank) is created by the engine, or engines, of the helicopter. It is transferred into motion

via the ____ (fill in the blank) and ____ (fill in the blank). Sufficient ____ (fill in the blank) is needed to

overcome the drag and the weight of the helicopter and keep moving it forward. - Answer✔✔-Thrust,

Mast and Rotors, Thrust.


____ (fill in the blank) is a force which acts against thrust. In the case of helicopters, drag is caused by the

shape and size of the aircraft disrupting the flow of air as it travels. There are several types of ____ (fill in

the blank) which impact helicopters. - Answer✔✔-Drag




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