Related Questions

When the Mach number is between --------the flow is called supe-sonic flow.
A 1 and 6
B 4 and 6
C 2.5 and 4
D 1 and 2.5
When the Mach number is between __________ the flow is called super-sonic flow.
A 1 and 2.5
B 2.5 and 4
C 4 and 6
D 1 and 6
Upto what value of 'Mach number', a fluid may be considered as incompressible?
A 0.03
B 0.3
C 3
D 10
A flow is called hyper-sonic, if the Mach number is
A Less than unity
B Unity
C Between 1 and 6
D None of these
A flow is called sub-sonic, if the Mach number is
A Less than unity
B Unity
C Between 1 and 6
D More than 6
For ideally incompressible fluid, the Mach number will be
A 1.5
B 1
C 0
D 5
In an incompressible flow of fluid, the fluid
A Temperature remains constant
B Compressibility is greater than zero
C Density does not change with pressure & temperature
D Is frictionless
For turbulent flow of an incompressible fluid through a pipe, the flow rate Q is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent 'n' is
A 1
B 0
C > 1
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
__________ flow means the flow of incompressible fluid with no shear.
A Potential
B Streamline
C Creep
D Boundary layer

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