Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG below Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below Ax̅ / IG below Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H1 - Ha] ANSWER DOWNLOAD EXAMIANS APP
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 Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An impulse turbine is used for Low head of water High head of water Medium head of water High discharge Low head of water High head of water Medium head of water High discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reaction turbines are used for High head Low head and high discharge High head and low discharge Low head High head Low head and high discharge High head and low discharge Low head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a depressed nappe The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative The pressure above the nappe is atmospheric The pressure below the nappe is atmospheric The pressure above the nappe is negative The pressure below the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
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