What is the differential form of momentum equation for the quasi one – dimensional flow known as?

A)
Euler's equation
B)
Froude equation
C)
Kelvin’s equation
D)
Bernoulli’s equation

Correct Answer :   Euler's equation

Explanation : The differential form of momentum equation for the quasi one – dimensional flow is given by:
dp = – ρudu
This is known as Euler’s equation which is derived from the momentum equation.

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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