17.1.2 pa

 Fundamentals.

NOTE

TO CHECK YOUR PREPARATION ,PLZ WRITE DOWN THE SELECTED OPTIONS ON ROUGH PAGE AND  AT THE END OF QUIZ , VERIFY YOUR SELECTED OPTION WITH THE CORRECT OPTIONS GIVEN BELOW

Question Number. 6. The blade angle at the root is.

Option A. less than the tip.

Option B. same from tip to root

. Option C. greater than the tip.



Question Number. 7. What force on a propeller blade turns the blades to a fine pitch?.

Option A. ATM.

Option B. Torque.

Option C. CTM.



Question Number. 8. The purpose of propeller twist is.

Option A. coarsen the blade angle at the root.

Option B. to maintain Blade Angle along the blade.

Option C. to maintain Angle of Attack at the same value along the blade.



Question Number. 9. The forces acting on a propeller blade are.

Option A. bending, twisting and centrifugal.

Option B. thrust, aerodynamic and tension.

Option C. thrust and torque.



Question Number. 10. Blade angle at the root is.

Option A. low.

 Option B. high.

Option C. master blade angle. 

ANSWERS

Question Number. 6. The blade angle at the root is.

Option A. less than the tip.

Option B. same from tip to root

. Option C. greater than the tip. 

Correct Answer 6 is. greater than the tip. 

Question Number. 7. What force on a propeller blade turns the blades to a fine pitch?.

Option A. ATM.

Option B. Torque.

Option C. CTM. 

Correct Answer 7 is. CTM.

Question Number. 8. The purpose of propeller twist is.

Option A. coarsen the blade angle at the root.

Option B. to maintain Blade Angle along the blade.

Option C. to maintain Angle of Attack at the same value along the blade. 

Correct Answer 8 is. to maintain Angle of Attack at the same value along the blade.

Question Number. 9. The forces acting on a propeller blade are.

Option A. bending, twisting and centrifugal.

Option B. thrust, aerodynamic and tension.

Option C. thrust and torque. 

Correct Answer 9 is. bending, twisting and centrifugal.

Question Number. 10. Blade angle at the root is.

Option A. low.

 Option B. high.

Option C. master blade angle. 

Correct Answer 10 is. high.