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 10 r.p.m. 20 r.p.m. 80 r.p.m. 40 r.p.m. 10 r.p.m. 20 r.p.m. 80 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the work done on the wheel to the energy of the jet Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these Ratio of the work done on the wheel to the energy of the jet Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Reciprocating Centrifugal Mixed flow Axial flow Reciprocating Centrifugal Mixed flow Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of 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 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Axial flow Centrifugal Mixed flow Reciprocating Axial flow Centrifugal Mixed flow Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be 1/3 to 1/2 1/4 to 1/3 1/8 to 1/4 1/16 to 1/8 1/3 to 1/2 1/4 to 1/3 1/8 to 1/4 1/16 to 1/8 ANSWER DOWNLOAD EXAMIANS APP
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