Hydraulics and Fluid Mechanics in ME Overall efficiency of a centrifugal pump is the ratio of Energy supplied to the pump to the energy available at the impeller Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy available at the impeller to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of turbine is defined as the speed of a unit Of such a size that it produces unit horse power with unit head Of such a size that it delivers unit discharge at unit head Of such a size that it delivers unit discharge at unit power Of such a size that it requires unit power per unit head Of such a size that it produces unit horse power with unit head Of such a size that it delivers unit discharge at unit head Of such a size that it delivers unit discharge at unit power Of such a size that it requires unit power per unit head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to 10 kg 100 kg 1 kg 1000 kg 10 kg 100 kg 1 kg 1000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 20-25° 50-60° 10-15° 30-40° 20-25° 50-60° 10-15° 30-40° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Bent backward Radial Bent forward Straight Bent backward Radial Bent forward Straight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
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