Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Flow Absolute velocity Net head Blade velocity Flow Absolute velocity Net head Blade velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced remains below the centre of gravity remains above the centre of gravity coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity remains above the centre of gravity coincides with the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is d²/12 + x̅ (bd²/12) + x̅ (d²/12 x̅) + x̅ b²/12 + x̅ d²/12 + x̅ (bd²/12) + x̅ (d²/12 x̅) + x̅ b²/12 + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.67 times 0.95 times 0.34 times 0.81 times 0.67 times 0.95 times 0.34 times 0.81 times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R5/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re None of these 16/Re 64/ Re 32/ Re None of these 16/Re 64/ Re ANSWER DOWNLOAD EXAMIANS APP