FREE SIFT Army Aviation Information Questions and Answers

Question 1

A thrust is produced by

Accepted Answer

The engine(s) of a helicopter

Answer

The fuselage of a helicopter

Answer

The tail rotor of a helicopter

Answer

The main rotor of a helicopter

Question 2

Which of the following does not refer to a typical helicopter control?

Accepted Answer

Dual

Answer

Throttle

Answer

Collective

Answer

Cyclic

Question 3

Which of the subsequent is not a typical helicopter taxi maneuver?

Accepted Answer

Rotor Taxi

Answer

Ground Taxi

Answer

Hover Taxi

Answer

Air Taxi

Question 4

During takeoff, blade flapping is utilized to:

Accepted Answer

Counter dissymmetry of lift

Answer

Counter a vortex ring state

Answer

Increase the speed of forward flight

Answer

Decrease the speed of forward flight

Question 5

Another name for settling with power is

Accepted Answer

Vortex ring state

Answer

Coaxial rotor maneuver

Answer

In ground effect

Answer

Emergency landing

Question 6

An mechanical angle called an angle of incidence exists between

Accepted Answer

The chord line of the blade and the circular plane in which it rotates

Answer

The angle of incidence is the angle between the chord line of an airfoil (such as a helicopter rotor blade) and the plane of rotation. It is the angle at which the blade is set or tilted relative to the airflow or the direction of motion. The angle of incidence affects the amount of lift and drag produced by the blade.

Answer

The main rotor and the tail rotor

Answer

The chord line of the blade and the fuselage

Question 7

A pilot can ______ by moving a cyclic.

Accepted Answer

Answer

Alter the pitch of main rotor blades

Answer

Alter the length of main rotor blades

Answer

Decrease altitude