Question

What is the range of mach number for a conventional aircraft?

(a) 0 to 3.2

(b) 0 to 2.2

(c) 0 to 4.2

(d) 0 to 1.2

This question was posed to me in class test.

Query is from Aircraft Force Systems in portion Aircraft Force Systems and the Equations of Motion of Aircraft Performance

Answer 1

Right choice is (b) 0 to 2.2

Explanation: 0 to 2.2 the range of mach number for a conventional aircraft. The values of mach number can increase beyond 2.2 but arise a special case of problems. To avoid any kind of troubles an aircraft must always fly at a mach number below 2.2.