Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52 cm 52.2 cm 50 cm 51 cm 52 cm 52.2 cm 50 cm 51 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centrifugal pump preferred for a specific speed between 80 to 160 r.p.m. is Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet Medium speed with radial flow at outlet Slow speed with radial flow at outlet High speed with mixed flow at outlet High speed with radial flow at outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd wQHs wQ (Hs + Hd) wQ (Hs - Hd) wQHd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity Three-fourth Two-third One-third One-half Three-fourth Two-third One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Increase pump efficiency Save pump from cavitations Reduce acceleration to minimum Smoothen flow Increase pump efficiency Save pump from cavitations Reduce acceleration to minimum Smoothen flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is 0.78 0.87 0.46 0.64 0.78 0.87 0.46 0.64 ANSWER DOWNLOAD EXAMIANS APP
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