Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Double Eight times Four times Sixteen times Double Eight times Four times Sixteen times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy’s coefficient of friction for pipe, and l = Length of pipe) d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 d = (D⁵/8fl)1/4 d = (D⁵/8fl)1/2 d = (D⁵/8fl)1/3 d = (D⁵/8fl)1/5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A channel is said to be of most economical cross-section, if It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter It gives maximum discharge for a given cross-sectional area and bed slope All of these It involves lesser excavation for the designed amount of discharge It has minimum wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is generally used to pump highly viscous fluid? Screw pump Centrifugal pump Reciprocating pump Air lift pump Screw pump Centrifugal pump Reciprocating pump Air lift pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Units of surface tension are both of the above distance energy/unit area it has no units both of the above distance energy/unit area it has no units 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.) (L.A.N)/60 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 ANSWER DOWNLOAD EXAMIANS APP
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