Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high The suction pressure should be high The suction pressure should be low The delivery pressure should be low The delivery pressure should be high ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Francis turbine is best suited for High head installation above 180 m Low head installation up to 30 m All types of heads Medium head application from 24 to 180 m High head installation above 180 m Low head installation up to 30 m All types of heads Medium head application from 24 to 180 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs any where between rear and front of body depending upon Reynolds number at the extreme front of body midway between rear and front of body at the extreme rear of body any where between rear and front of body depending upon Reynolds number at the extreme front of body midway between rear and front of body at the extreme rear of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantities are same Friction loss and flow Length and diameter Flow and length Friction factor and diameter Friction loss and flow Length and diameter Flow and length Friction factor and diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Medium specific speed of a pump implies it is Any one of the above Axial flow pump Mixed flow pump Centrifugal pump Any one of the above Axial flow pump Mixed flow pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP