Fluid Mechanics Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the Time taken to close the valve Pipe length Fluid velocity in the pipe All of these Time taken to close the valve Pipe length Fluid velocity in the pipe All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the viscosity Inversely as the pressure drop Linearly as the viscosity As the square of the radius Inversely as the viscosity Inversely as the pressure drop Linearly as the viscosity As the square of the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 √d d1/3 d2 d2/3 √d d1/3 d2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The value of critical Reynolds number for pipe flow is 100000 None of these 10000 1300 100000 None of these 10000 1300 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an Rotameter Venturimeter Pitot tube Orificemeter Rotameter Venturimeter Pitot tube Orificemeter ANSWER DOWNLOAD EXAMIANS APP
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