ASE102 MT EXAM

Assume that matrix H is already created in Matlab. Determine the output of the following Matlab statement.

H (4,2) * H (2,3)

Assume that matrix H is already created in Matlab. Determine the output of the following Matlab statement.

H (2 , 2:end)

Use Matlab and calculate the following expression where y=4-i and z=3+2i

When rotational speed of propeller is increased, section angle of attack decreases.

• True

• False

• Lift coefficent

• Drag force

• Lift force

• Weight

Which one is wrong for the steady level flight?

• T = D

• L = W

When airfoil encounters separation, the point of separation moves ............ as angle of attack increases.

• forward

• backward

Velocity of minimum thrust required point ................. with increasing altitute for steady level flight.

• increases

• decreases

What is the name of propulsion unit given in the picture.

• Turbojet

• Propeller with reciprocating engine

• Turboprop

• Turboshaft

Assume that the chord length of a rectangular wing is 5 m. If the maximum thickness of your wing is 0.6 m which airfoil can be used for the wing cross section?

• NACA 65-209

• NACA 0010

• NACA 4412

• NACA 23014