Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Globe valve Needle valve None of these Butterfly valve Globe valve Needle valve None of these Butterfly valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Remains constant Also increases Decreases First decreases, and then increases Remains constant Also increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) Σ 1/d L/σ D Σ 1/d L/σ D ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head Reduce the discharge fluctuation Convert pressure head to velocity head Increase the discharge Convert velocity head to pressure head Reduce the discharge fluctuation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer separation occurs when the Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum ANSWER DOWNLOAD EXAMIANS APP
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