Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed Cube of fan speed Directly as fan speed Square root of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Double One-half One-fourth Three-fourth Double One-half One-fourth Three-fourth 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 R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) 14π R1/2/15Cd × a √(2g) 14π R7/2/15Cd × a √(2g) 14π R3/2/15Cd × a √(2g) 14π R5/2/15Cd × a √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME All the terms of energy in Bernoulli’s equation have dimension of length work energy mass length work energy mass 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 Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet None of these Theoretical velocity of jet to the velocity of flow at inlet Velocity of flow at inlet to the theoretical jet velocity Velocity of runner at inlet to the velocity of flow at inlet None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water from deep wells? Reciprocating pump Air lift pump Centrifugal pump Jet pump Reciprocating pump Air lift pump Centrifugal pump Jet pump ANSWER DOWNLOAD EXAMIANS APP
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