Hydraulics and Fluid Mechanics in ME The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as Mechanical efficiency Overall efficiency Manometric efficiency Volumetric efficiency Mechanical efficiency Overall efficiency Manometric efficiency Volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Higher critical velocity Velocity of approach None of these Lower critical velocity Higher critical velocity Velocity of approach None of these Lower critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately 30 mm 20 mm 5 mm 10 mm 30 mm 20 mm 5 mm 10 mm 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 2ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must fulfill the following Continuity equation Pascal’ law Newton’s law of viscosity Newton’s law of motion Continuity equation Pascal’ law Newton’s law of viscosity Newton’s law of motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The divergent portion of a Venturimeter is made longer than convergent portion in order to To minimize frictional losses Avoid the tendency of breaking away the stream of liquid None of these Both (A) and (B) To minimize frictional losses Avoid the tendency of breaking away the stream of liquid None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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