supersonic exams reviewer questions ..

Across an Oblique Shock, the _____ increases.

• g

• Mach number

• P

• T

What is defined as the ratio between the speed of sound over the speed of the aircraft?

• Speed of Sound

• Mach Number

• None of the above

• Sound Barrier

The condition of air across the shockwave:

• P and T decrease

• None of the above

• P and T stay the same

• P and T increase

What is the velocity of air after the normal shockwave?

• Transonic

• Supersonic

• Hypersonic

• Subsonic

Below are the following flight/speed regimes except:

• Sonicboom

• Transonic

• Supersonic

• Subsonic

What corner does an oblique shock wave occur?

• None of the above

• Concave Corner

• Linear

• Convex Corner

It is the starting point where sound energy starts to pile up in front of the Aircraft:

• Speed of Sound

• Sonic Flight

• Subsonic Flight

• Sonic Boom

What is the Mach number for Hypersonic speed?

• More than 5 times the Va

• Exactly Mach 1.0

• Less than Mach 1.0

• More than Mach 1.0

The shock waves form on top of the wing, and eventually on the bottom of the wing:

• Normal Shockwave

• Expansion Wave

• Oblique Shock Wave

• Abnormal Shock Wave

What kind of shockwave occurs with subsonic designed aircrafts?

• Oblique Shockwave

• Expansion Wave

• Normal Shockwave

• Shockwaves don't occur on subsonic aircrafts