Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Rectangular Circular Square Trapezoidal Rectangular Circular Square ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Double Three-fourth One-half One-fourth Double Three-fourth One-half One-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is could be above or below e.g. depending on density of body and liquid below be center of gravity above the center of gravity at the center of gravity could be above or below e.g. depending on density of body and liquid below be center of gravity above the center of gravity at the center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to 2700 10000 21000 2100 2700 10000 21000 2100 ANSWER DOWNLOAD EXAMIANS APP