Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Inversely proportional to N Directly proportional to N Inversely proportional to N² Directly proportional to N² Inversely proportional to N Directly proportional to N Inversely proportional to N² Directly proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 more than 4000 less than 2000 between 2000 and 4000 less than 4000 more than 4000 less than 2000 between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to 0.0001 0.001 0.01 0.1 0.0001 0.001 0.01 0.1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the Elastic properties of the liquid flowing through the pipe Elastic properties of the pipe material Speed at which the valve is closed All of these Elastic properties of the liquid flowing through the pipe Elastic properties of the pipe material Speed at which the valve is closed All of these 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 0.87 0.46 0.78 0.64 0.87 0.46 0.78 0.64 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 (2 L.A.N)/60 (L.A.N)/60 2 L.A.N L.A.N (2 L.A.N)/60 (L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
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