Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (a/A) (p/W) × (A/a) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (a/A) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One stoke is equal to 10-3 m2/s 10-6 m2/s 10-2 m2/s 10-4 m2/s 10-3 m2/s 10-6 m2/s 10-2 m2/s 10-4 m2/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.223 R 0.707 R 0.577 R 0.423 R 0.223 R 0.707 R 0.577 R 0.423 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at the summit of a syphon is None of these less than atmospheric equal to atmospheric more than atmospheric None of these less than atmospheric equal to atmospheric more than atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Pressure head Pressure head + velocity head Velocity head Pressure head - velocity head Pressure head Pressure head + velocity head Velocity head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine Kaplan turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Francis turbine ANSWER DOWNLOAD EXAMIANS APP
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