high-speed flight

#1. Identify which of the following is the correct formula for Mach number:

• ATAS/M a = constant
• BM = IAS/a
• CTAS = M/a
• DM = TAS x a

#3. Mach number is:

• Athe ratio of the aircraft’s TAS to the speed of sound at sea level.
• Bthe ratio of the aircraft’s TAS to the speed of sound at the same atmospheric conditions.
• Cthe ratio of the aircraft’s IAS to the speed of sound at the same atmospheric conditions.
• Dthe speed of sound.

#5. The term ‘transonic speed’ for an aircraft means:

• Aspeeds where the airflow is completely subsonic.
• Bspeeds where the airflow is completely supersonic.
• Cspeeds where the airflow is partly subsonic and partly supersonic.
• Dspeeds between M 0.4 and M 1.0