Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.26 0.36 0.56 0.46 0.26 0.36 0.56 0.46 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in increase in viscosity of liquid increase in viscosity of gas decrease in viscosity of liquid decrease in viscosity of gas increase in viscosity of liquid increase in viscosity of gas decrease in viscosity of liquid decrease in viscosity of gas 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 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 π w ω² r⁴/4g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always remains below the centre of gravity coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced remains above the centre of gravity coincides with the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a siphon spillway is Cd × a × √(2g) × H2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H3/2 Cd × a × √(2g) × H2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by H = Hg + hf H = Hg - hf H = Hg × hf H = Hg/hf H = Hg + hf H = Hg - hf H = Hg × hf H = Hg/hf ANSWER DOWNLOAD EXAMIANS APP
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