Hydraulics and Fluid Mechanics in ME The flow ratio of Francis turbine is defined as the ratio of the 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 Theoretical velocity of jet to the velocity of flow at inlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 5kN 20 kN lOkN 15 kN 5kN 20 kN lOkN 15 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 84.8% 39.2% 49.2% 68.8% 84.8% 39.2% 49.2% 68.8% ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is Inversely proportional to (radius)4 Inversely proportional to (radius)2 Directly proportional to (radius)2 Directly proportional to (radius)4 Inversely proportional to (radius)4 Inversely proportional to (radius)2 Directly proportional to (radius)2 Directly proportional to (radius)4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used To bring the runner to rest in a short time None of these To change the direction of runner To break the jet of water To bring the runner to rest in a short time None of these To change the direction of runner To break the jet of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure below the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
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