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GATE Exam Questions - Engineering

Q1:

Both Reynolds and Froude numbers assume significance in one of following examples :

A Motion of submarine at large depths

B Motion of ship in deep seas

C Cruising of a missile in air

D Flow over spillways

ANS:D - Flow over spillways

B Flow over the spillway is correct.

Reynolds number based on viscous force, water flow over spillway under viscous force.

Froude number based on gravity force, the flow of water under gravity.