Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in a hydraulic machine Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency Causes noise and vibration of various parts Reduces the discharge of a turbine All of these Causes sudden drop in power output and efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is less than the critical depth, the flow is called Tranquil flow Turbulent flow Critical flow Torrential flow Tranquil flow Turbulent flow Critical flow Torrential flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 ANSWER DOWNLOAD EXAMIANS APP
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 - sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Axial flow Centrifugal Mixed flow Reciprocating Axial flow Centrifugal Mixed flow ANSWER DOWNLOAD EXAMIANS APP