Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.423 R 0.577 R 0.223 R 0.707 R 0.423 R 0.577 R 0.223 R 0.707 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A floating body is said to be in a state of stable equilibrium only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity when the metacentre is above the centre of gravity when its metacentric height is zero only when its centre of gravity is below its centre of buoyancy when the metacentre is below the centre of gravity when the metacentre is above the centre of gravity when its metacentric height is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called sub-sonic, if the Mach number is Less than unity More than 6 Unity Between 1 and 6 Less than unity More than 6 Unity Between 1 and 6 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 39.2% 49.2% 84.8% 68.8% 39.2% 49.2% 84.8% 68.8% ANSWER DOWNLOAD EXAMIANS APP