Module 8 Set-9

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Results

#1. Propeller convert————- into ———–(Ref-ACK 131)

#2. The stability of an aircraft considered during design of the aircraft (Ref-ACK 257)

#3. The camber convex of airfoil in upper surface is

#4. The value of the dynamic pressure and hence the indicated speed at which this occurs will always be the _______ whatever the height.

#5. The streamline shapes which have given the least resistance at subsonic speeds have had a

#6. Angle of airfoil is slightly negative will it generate lift

#7. Aircraft will have weaker positive directional opposed to positive lateral stability can result in a

#8. If wing loading is increasing then stalling speed will be (Ref ACK 193)

#9. A laminar boundary layer over the boundary layer over the whole surface of a wing the skin friction would be reduced to about__________ of its value.

#10. The L/D ratio increases very rapidly up to 3 or 4 degree at which angles the lift is nearly

#11. In the case of aircraft nose drop thrust line is placed———- and drag line is———(Ref-ACK 149)

#12. In flat plate an increase of the angle of attack over the same angles causes the center of pressure to move

#13. There must be some point on the chord about which there is no change in pitching moment is called

#14. Movement of the center of gravity during flight caused, for instance, by (Ref-ACK 149)

#15. The control surfaces are placed as far as possible away the_________ So as to provide sufficient leverage to alter the position of the airplane. (Ref-ACK 274)

#16. On a swept wing aircraft if both wing tip loses lift simultaneously the aircraft will

#17. Blown & jet flaps may be a serious disadvantage in the event of

#18. Longitudinal stability is highly affected due to (Ref-ACK 259)

#19. The ratio ofInertial to elastic force is called

#20. If viscosity is increasing the Reynolds number will be