Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure becomes more than critical pressure pressure is increased the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure becomes more than critical pressure pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller Inversely proportional to diameter of its impeller Directly proportional to (diameter)² of its impeller Inversely proportional to (diameter)² of its impeller Directly proportional to diameter of its impeller Inversely proportional to diameter of its impeller ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of a liquid measured with the help of a Piezometer tube is Absolute pressure Gauge pressure Vacuum pressure Atmospheric pressure Absolute pressure Gauge pressure Vacuum pressure Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have Low density High density Low surface tension High surface tension Low density High density Low surface tension High surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) 2 L.A.N L.A.N (L.A.N)/60 (2 L.A.N)/60 2 L.A.N L.A.N (L.A.N)/60 (2 L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
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