Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Notch Mouthpiece Nozzle Weir Notch Mouthpiece Nozzle Weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is 0.392 0.884 0.488 0.848 0.392 0.884 0.488 0.848 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be uniform when The liquid particles at different sections have different velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at all sections have the same velocities 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 H.P./0.75 0.75 B.H.P 1.5 B.H.P Same H.P./0.75 0.75 B.H.P ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is more than 5 times the height of orifice The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is more than 5 times the height of orifice ANSWER DOWNLOAD EXAMIANS APP