The area – Mach number relation yields how many solutions for a given Mach number?

A)
0
B)
2
C)
4
D)
6

Correct Answer :   2

Explanation : The area – Mach relation which is the ratio of local area to throat area as a function of Mach number yields two solutions for a given Mach number. One is a subsonic value and the other is the corresponding supersonic value.

Recently Updated in Aerodynamics Questions
What is the relation between the nozzle A1t and diffuser throat area A2t in the supersonic wind tunnel?
A)
At2 = At1
B)
At2 < At1
C)
At2 > At1
D)
At2 At1 = 1

Correct Answer : Option (C) :   At2 > At1

In which scenario is the throat area of both the nozzle and diffuser the same?
A)
Ideal isobaric diffuser
B)
Ideal isentropic diffuser
C)
Ideal Isochoric diffuser
D)
Ideal adiabatic diffuser

Correct Answer : Option (B) :   Ideal isentropic diffuser

What is the ratio of throat area of diffuser to nozzle in supersonic wind tunnel with flow at Mach 2.7?
A)
0.4236
B)
0.8338
C)
1.199
D)
2.36

Correct Answer : Option (D) :   2.36

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