Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 80 r.p.m. 20 r.p.m. 40 r.p.m. 10 r.p.m. 80 r.p.m. 20 r.p.m. 40 r.p.m. 10 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Critical flow Turbulent flow Tranquil flow Torrential flow Critical flow Turbulent flow Tranquil flow Torrential flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Bernoulli equation deals with the law of conservation of momentum mass work energy momentum mass work energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = D.b.Vf Q = π.b.Vf Q = π.D.Vf Q = π.D.bf.V Q = D.b.Vf Q = π.b.Vf Q = π.D.Vf Q = π.D.bf.V ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is More than 6 Unity Between 1 and 6 Less than unity More than 6 Unity Between 1 and 6 Less than unity ANSWER DOWNLOAD EXAMIANS APP