When the Mach number is less than unity, the flow is called (A) Sub-sonic flow (B) Sonic flow (C) Super-sonic flow (D) Hyper-sonic flow

When the Mach number is less than unity, the flow is called
(A) Sub-sonic flow
(B) Sonic flow
(C) Super-sonic flow
(D) Hyper-sonic flow
by

1 Answer

Answer :

Answer: Option A
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