
Helicopter Rotor Systems Quiz
Authored by Nino Francisco
Engineering
12th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the upward or downward movement of the rotor blades during rotation called?
Blade Flap
Blade Feather
Blade Lead
Blade Lag
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the condition known as when helicopters with semirigid rotors experience excessive rotor flapping?
Mast Bumping
Blade Flap
Blade Feathering
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the main disadvantage of coaxial rotors?
Increased mechanical complexity
Higher vibration
Higher aerodynamic drag
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
WHAT IS THE ADVANTAGE OF A RIGID ROTOR SYSTEM?
GOOD CONTROL RESPONSE
SIMPLE DESIGN, CRISP RESPONSE
SIMPLE AND EASY TO HANGAR DUE TO BLADE CONFIGURATION
NONE OF THE ABOVE
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which type of rotor system allows blades to flap together as a unit?
Rigid Rotor System
Tandem Rotor System
Fully Articulated Rotor System
Semirigid Rotor System
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the main disadvantage of a fully articulated rotor system?
Complex design
Limited control response
High aerodynamic drag
Increased vibration
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What does the term 'feathering' refer to in rotor systems?
The upward movement of blades
The rotation of blades around their pitch axis
The fore and aft movement of blades
The downward movement of blades
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