Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Absolute velocity Net head Flow Blade velocity Absolute velocity Net head Flow Blade velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynold's number is the ratio of inertia force to Viscous force Elastic force Pressure force Gravity force Viscous force Elastic force Pressure force Gravity force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity) tanθ = a/2g tanθ = 2 a/g tanθ = a2/2g tanθ = a/g tanθ = a/2g tanθ = 2 a/g tanθ = a2/2g tanθ = a/g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Four jets Two runners Two jets Four runners Four jets Two runners Two jets Four runners ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) H/(H - hf ) (H - hf )/H (H + hf )/H H/(H + hf ) H/(H - hf ) (H - hf )/H (H + hf )/H H/(H + hf ) ANSWER DOWNLOAD EXAMIANS APP