Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 50-60° 30-40° 20-25° 10-15° 50-60° 30-40° 20-25° 10-15° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the Theoretical velocity of jet to the velocity of flow at inlet None of these Velocity of runner at inlet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity Theoretical velocity of jet to the velocity of flow at inlet None of these Velocity of runner at inlet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the velocity distribution is uniform over the cross-section, the correction factor for momentum is 43924 2 1 43924 2 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by ρ.dp + g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs wQHd wQ (Hs + Hd) wQ (Hs - Hd) wQHs ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In impulse Turbine, energy available at the inlet is in the form of Potential Energy None of these Strain Energy Kinetic energy Potential Energy None of these Strain Energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
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