For hypersonic flow, the Mach number is___________________?
		A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10
		A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
Answer: Option B
Explanation:
No answer description available for this question.
		A. only when the fluid is frictionless
B. only when the fluid is incompressible and has zero viscosity
C. when there is no motion of one fluid layer relative to an adjacent layer
D. irrespective of the motion of one fluid layer relative to an adjacent layer
E. in case of an ideal fluid
[B].
Answer: Option A
Explanation:
No answer description available for this question.
		A. viscosity
B. osmosis
C. surface tension
D. cohesion
E. diffusivity