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 (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 2 L.A.N ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch. Plus Minus Divide None of these Plus Minus Divide None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant All of these They have slow speeds They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant All of these They have slow speeds 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 Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reciprocating pump, air vessels are used to Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head Reduce suction head Reduce acceleration head Smoothen the flow Increase delivery head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is 43892 44078 27/8 43924 43892 44078 27/8 43924 ANSWER DOWNLOAD EXAMIANS APP
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