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IERW Exam 2 Questions And Correct Answers
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IERW Exam 2 Questions And Correct AnswersWhich axes of the helicopter does the cyclic control?
pitch and roll or longitudinal and lateral
Which flight control allows the pilot to counteract main rotor torque and control the
helicopter around the yaw axis?
Pedals
Which flight control allows the pilot to change the pitch and roll (bank angle) of the
aircraft?
Cyclic
What component transmits the pilot's flight control movements to the hydraulic
actuators?
Flexball cable
When left pedal is pushed, the tail rotor thrust's thrust/pitch is ____________________
which turns the nose of the aircraft to the left.
increased
Which hydraulic system powers the tail rotor controls?
#2 System
When right pedal is pushed, the tail rotor thrust's thrust/pitch is ____________________
which turns the nose of the aircraft to the right
decreased
,Which unit sends the three main rotor control signals, after amplification, to the
swashplate?
Mixing Lever Assembly
When left pedal is pushed, helicopter will turn in which direction around the yaw axis?
left
Which of the following component provides a constant resistance in the pedals to
prevent over-control of the tail rotor?
Yaw Brake
Which of the following component transmits flight control signals to the main rotor
blades?
Pitch Change Link
Which system provides an artificial control force feel to the pilot in order for him to
handle the helicopter easier with lesser pilot's fatigue
Trim
Aerodynamic principles of flight that apply to helicopters are weight, lift, thrust, and
_____________________.
Drag
What is the CAUTION related to using the hydraulic test switch?
Do not operate in flight
, The cyclic controls ______________ attitude with fore and aft movement of the cyclic and
the tilt of the main rotor with lateral (left and right) movement
pitch / longitudinal
When the pilot pushes right pedal, in what direction the helicopter will turn around the
yaw axis?
right
The three types of flight controls used to fly the helicopter are the____, _____, and
the_____.
cyclic, collective, pedals
What drives the hydraulic pumps?
Main Transmission
During extended ground operations, and while conducting the Automatic Flight Control
System (AFCS) Test during run-up, the collective must be secured with the
_________________.
Collective Pitch Lock / collective lock / collective lever lock
What component provides the yaw SAS for the UH-72A, increasing aircraft stability by
damping disturbances due to wind, turbulence, and so forth.
SEMA
What sub component of the number 2 hydraulic system amplifies the control signals
from the pedals to decrease pilot workload.
Tail Rotor Actuator
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