Hydraulics and Fluid Mechanics in ME The purpose of a surge tank is To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow All of these To eliminate water hammer possibilities To regulate flow of water to turbines by providing necessary retarding head of water To control the pressure variations due to rapid changes in the pipe line flow All of these To eliminate water hammer possibilities 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.D.bf.V Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power produced by the reaction turbine is ________ to the head of water. None of these Inversely proportional 4th power Directly proportional None of these Inversely proportional 4th power Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Pascal-second is the unit of pressure dynamic viscosity surface tension kinematic viscosity pressure dynamic viscosity surface tension kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.46 0.36 0.56 0.26 0.46 0.36 0.56 0.26 ANSWER DOWNLOAD EXAMIANS APP
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