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 above the centre of gravity when its metacentric height is zero when the metacentre is below the centre of gravity only when its centre of gravity is below its centre of buoyancy when the metacentre is above the centre of gravity when its metacentric height is zero when the metacentre is below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 32/ Re None of these 16/Re 64/ Re 32/ Re None of these 16/Re 64/ Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + cos φ)/2 (1 + sin φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Delivery head of a centrifugal pump is Directly proportional to N Directly proportional to N² Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² Inversely proportional to N Inversely proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Neutral equilibrium None of these Stable equilibrium Unstable equilibrium Neutral equilibrium None of these Stable equilibrium Unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v)]/2g [wa (V - v)]/g [wa (V - v²)]/g [wa (V - v)²]/2g [wa (V - v)]/2g [wa (V - v)]/g [wa (V - v²)]/g [wa (V - v)²]/2g ANSWER DOWNLOAD EXAMIANS APP