Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Remain same Decrease Unpredictable Increase Remain same Decrease Unpredictable Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Decreases as V² Decreases linearly with V None of these Increases linearly with V Decreases as V² Decreases linearly with V None of these Increases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only radial current Produces only tangential current Is effective over wide range of viscosities Does not produce tangential current Produces only radial current Produces only tangential current Is effective over wide range of viscosities Does not produce tangential current ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady uniform flow is represented by flow through a/an Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate None of these Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate None of these ANSWER DOWNLOAD EXAMIANS APP
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 Fluid velocity in the pipe Pipe length Time taken to close the valve All of these Fluid velocity in the pipe Pipe length Time taken to close the valve All of these ANSWER DOWNLOAD EXAMIANS APP