Hydraulics and Fluid Mechanics in ME Which of the following pump is suitable for small discharge and high heads? Reciprocating pump Axial flow pump Centrifugal pump Mixed flow pump Reciprocating pump Axial flow pump Centrifugal pump Mixed flow pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH √2gH 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is more than 6, the flow is called Sonic flow Sub-sonic flow Hyper-sonic flow Super-sonic flow Sonic flow Sub-sonic flow Hyper-sonic flow Super-sonic flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 2000 Less than 4000 More than 4000 Between 2000 and 4000 Less than 2000 Less than 4000 More than 4000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
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 The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (dH/H) dQ/Q = (3/2) × (dH/H) dQ/Q = (1/2) × (dH/H) dQ/Q = (3/4) × (dH/H) dQ/Q = (dH/H) ANSWER DOWNLOAD EXAMIANS APP