Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Coincides with its centre of gravity Lies above its centre of gravity Lies below its centre of gravity Lies between the centre of buoyancy and centre of gravity Coincides with its centre of gravity Lies above its centre of gravity Lies below its centre of gravity Lies between the centre of buoyancy and centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The jet ratio is defined as the ratio of the Diameter of jet to the diameter of Pelton wheel Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet Diameter of jet to the diameter of Pelton wheel Diameter of Pelton wheel to the diameter of jet Velocity of jet to the velocity of Pelton wheel Velocity of Pelton wheel to the velocity of jet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 64/RN 1/RN 4/RN 16/RN 64/RN 1/RN 4/RN 16/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Speed Impeller diameter Both (A) and (B) above Fluid density Speed Impeller diameter Both (A) and (B) above Fluid density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H). P/ H² P/ H P/ H3/2 P/ √H P/ H² P/ H P/ H3/2 P/ √H ANSWER DOWNLOAD EXAMIANS APP
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