Technical

Question 1

Lift generated by the cambered upper surface of a wing due to decrease in pressure is explained by which theory?
A) Bernouli’s
B) Newton’s
C) Buys Ballot’s

Answer 1

A) Bernouli’s

Question 2

The upper cambered surface of a wing produces:
A) 2/3 of the total lift
B) All of the lift
C) Only a small amount of lift

Answer 2

A) 2/3 of the total lift

Question 3

Angle of attack is:
A) The angle between the chord line and the horizon
B) The angle between the chord line and the relative airflow
C) The angle between the chord line and the longitudinal axis

Answer 3

B) The angle between the chord line and the relative airflow

Question 4

Angle of incidence is:
A) The angle between the chord line and the horizon
B) The angle between the chord line and the longitudinal axis
C) The angle between the chord line and the wind

Answer 4

B) The angle between the chord line and the longitudinal axis

Question 5

The camber on the upper surface of a wing:
A) Causes a decrease in static pressure
B) Causes an increase in static pressure
C) Causes a decrease in dynamic pressure

Answer 5

A) Causes a decrease in static pressure

Question 6

Induced Drag:
A) Increase at high airspeeds
B) Increases at low airspeeds
C) Remains constand regardless of airspeed

Answer 6

B) Increase at low airspeeds

Question 7

Form or parasitic drag:
A) Increases at high airspeeds
B) Reduces with angle of attack
C) Remains constant regardless of airspeed or angle of attack

Answer 7

A) Increases at high airspeeds

Question 8

To remain at stead level flight at constant airspeed:
A) Lift must equal drag AND thrust must equal weight
B) Thrust must equal drag AND lift must equal weight
C) Drag must equal weight AND thrust must equal lift

Answer 8

B) Thrust must equal drag AND lift must equal weight

Question 9

A high aspect ratio wing will:
A) Have a narrow chord and long span to reduce induced drag
B) Have a wide chord and short span to reduce induced drag
C) Have a narrow chord and long span to reduce form drag

Answer 9

A) Have a narrow chord and long span to reduce induced drag

Question 10

Air density decreases with:
A) An increase in humidity
B) A decrease in air temperature
C) An increase in barometric pressure

Answer 10

A) An increase in humidity