Mach number is important in a fluid flow problem, when the inertia and

1.	Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate.
A.	elastic
B.	viscous
C.	gravity
D.	none of these
Answer» B. viscous

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Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate.

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