Hydraulics and Fluid Mechanics in ME For pipes, turbulent flow occurs when Reynolds number is between 2000 and 4000 less than 4000 less than 2000 more than 4000 between 2000 and 4000 less than 4000 less than 2000 more than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice 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 Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of gravity Centre of pressure Centre of depth Centre of immersed surface Centre of gravity Centre of pressure Centre of depth Centre of immersed surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which type of the pump is different from others in the same group? Gear pump Plunger pump Screw pump Cam and piston pump Gear pump Plunger pump Screw pump Cam and piston pump ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its e.g. is below its center of buoyancy Metacentre has nothing to do with position of e.g. for determining stability When the metacentre is above e.g. When its meatcentric height is zero When its e.g. is below its center of buoyancy Metacentre has nothing to do with position of e.g. for determining stability When the metacentre is above e.g. When its meatcentric height is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P Same 0.75 B.H.P H.P./0.75 1.5 B.H.P Same 0.75 B.H.P H.P./0.75 ANSWER DOWNLOAD EXAMIANS APP