What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air ?

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What is the unit of kinematic viscosity in SI unit ?

A. M2/sec B. N/m2. sec C. Kg. sec/m D. None of these...

A stream tube is that, which has ______________________ cross-section entirely bounded by stream lines?

A. A circular B. Any convenient C. A small D. A large...

Hydraulic mean depth (Dm) for a circular pipe of diameter ‘D’ flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum ?

A. Flow rate B. Mean velocity C. Both ‘a’ & ‘b’ D. Neither ‘a’ nor ‘b’...

For an unstable equilibrium of a floating body (where, M = metacentre.) ?

A. M is above G B. M is below G C. M & G coincide D. None of these...

A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double___________________?

A. Head B. Discharge C. Efficiency D. None of these...