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.) L.A.N (2 L.A.N)/60 2 L.A.N (L.A.N)/60 L.A.N (2 L.A.N)/60 2 L.A.N (L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2000 is called Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity Lower critical velocity Super-sonic velocity Higher critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, theni) the ball will move to the frontii) the bubble will move to the frontiii) the ball will move to the reariv) the bubble will move to the rear Find out which of the above statements are correct ? (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line of equal yelocity in a flow parallel to outer surface of pipe along which the pressure drop is uniform parallel to central axis flow of equal yelocity in a flow parallel to outer surface of pipe along which the pressure drop is uniform parallel to central axis flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The magnitude of water hammer depends upon the Elastic properties of the pipe material Elastic properties of the liquid flowing through the pipe All of these Speed at which the valve is closed Elastic properties of the pipe material Elastic properties of the liquid flowing through the pipe All of these Speed at which the valve is closed ANSWER DOWNLOAD EXAMIANS APP
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 Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) ANSWER DOWNLOAD EXAMIANS APP
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