Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Increases Unpredictable Decreases Remain unaffected Increases Unpredictable Decreases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller Not possible Trimming the impeller size to the required size by machining Designing new impeller Some other alterations in the impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends upon the Weight of the liquid displaced Pressure with which the liquid is displaced Viscosity of the liquid Compressibility of the liquid Weight of the liquid displaced Pressure with which the liquid is displaced Viscosity of the liquid Compressibility of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to (Velocity)4 (Velocity)2 Velocity (Velocity)3 (Velocity)4 (Velocity)2 Velocity (Velocity)3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.3 0.4 0.83 0.6 0.3 0.4 0.83 0.6 ANSWER DOWNLOAD EXAMIANS APP