Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race. Product Sum None of these Difference Product Sum None of these Difference ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is 43832 1 1/√2 √2 43832 1 1/√2 √2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r²/4g π w ω² r²/2g π w ω² r³/4g π w ω² r⁴/4g π w ω² r²/4g π w ω² r²/2g π w ω² r³/4g π w ω² r⁴/4g ANSWER DOWNLOAD EXAMIANS APP
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