Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Critical velocity Super-sonic velocity Sub-sonic velocity Velocity of approach Critical velocity Super-sonic velocity Sub-sonic velocity Velocity of approach ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to speed of impeller Proportional to diameter of impeller Proportional to diameter and speed of impeller None of these Proportional to speed of impeller Proportional to diameter of impeller Proportional to diameter and speed of impeller None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/4 to 1/3 1/8 to 1/4 1/3 to 1/2 1/16 to 1/8 1/4 to 1/3 1/8 to 1/4 1/3 to 1/2 1/16 to 1/8 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hammer blow in pipes occurs when The flow of fluid through the pipe is gradually brought to rest by closing of the valve The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid There is excessive leakage in the pipe The flow of fluid through the pipe is gradually brought to rest by closing of the valve The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The pipe bursts under high pressure of fluid There is excessive leakage in the pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 18,000 kg 9,000 kg 27,000 kg 13,500 kg 18,000 kg 9,000 kg 27,000 kg 13,500 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1.6 1.2 0.8 1 1.6 1.2 0.8 1 ANSWER DOWNLOAD EXAMIANS APP
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