Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 10-15° 20-25° 50-60° 30-40° 10-15° 20-25° 50-60° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dimensions of surface tension are ML r² ML°T ML²T² ML°T⁻² ML r² ML°T ML²T² ML°T⁻² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet High speed pump with radial flow at outlet Slow speed pump with radial flow at outlet High speed pump with axial flow at outlet Medium speed pump with radial flow at outlet 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 r²/4g π w ω² r⁴/4g π w ω² r²/2g π w ω² r³/4g π w ω² r²/4g π w ω² r⁴/4g π w ω² r²/2g π w ω² r³/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The dynamic viscosity of the liquid __________ with rise in temperature. Increases Remain unaffected Decreases None of these Increases Remain unaffected Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.75 to 0.85 0.65 to 0.75 0.50 to 0.65 0.85 to 0.90 0.75 to 0.85 0.65 to 0.75 0.50 to 0.65 ANSWER DOWNLOAD EXAMIANS APP
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