Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 - cos φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the weight of water The wheel runs entirely by the impulse of water None of these The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the weight of water The wheel runs entirely by the impulse of water None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) h/w w w/h wh h/w w w/h wh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a hydraulic turbine depends upon Discharge and power developed Speed and head of water Speed and power developed Speed, power developed and head of water Discharge and power developed Speed and head of water Speed and power developed Speed, power developed and head of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is High speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet Medium speed with radial flow at outlet High speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet Medium speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the Mach number is between ___ the flow is called super-sonic flow. 4 and 6 1 and 6 1 and 2.5 2.5 and 4 4 and 6 1 and 6 1 and 2.5 2.5 and 4 ANSWER DOWNLOAD EXAMIANS APP