2019 BOARD EXAM

AERODYNAMICS

1.A tank for use in a supersonic wind tunnel contains air with a pressure of 20 atm. The temperature inside the tank is 521 deg R. The voluma of the tanklis 1,500 cu ft. What is the mass of the air inside the tank in kilogram?

A. 805 B. 986 C. 1,195 D. 1,036

2.An airplane is able to execute a turning maneuver due to

A. centrifugal force

B. movement of rudder, aileron and elevator

C. horizontal component of lift

D. déflection of flaps and spoilers.

3.