Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. 40 r.p.m. 20 r.p.m. 10 r.p.m. 80 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle placed at the end of a water pipe line discharges water at a Low velocity Low pressure High velocity High pressure Low velocity Low pressure High velocity High pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary As square of density Inversely as square root of density Inversely as density Directly as the air or gas density As square of density Inversely as square root of density Inversely as density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One stoke is equal to 10-3 m2/s 10-2 m2/s 10-6 m2/s 10-4 m2/s 10-3 m2/s 10-2 m2/s 10-6 m2/s 10-4 m2/s ANSWER DOWNLOAD EXAMIANS APP
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