Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called buoyancy reaction metacentre upthrust buoyancy reaction metacentre upthrust ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases. Remains same None of these Decreases Increases Remains same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Three-fourth Double One-fourth One-half Three-fourth Double One-fourth One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is less than the up-thrust of the liquid Gravitational force is more than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS