Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be First rise and then fall Steep Nearly horizontal Horizontal First rise and then fall Steep Nearly horizontal Horizontal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ 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) wQHd wQHs wQ (Hs - Hd) wQ (Hs + Hd) wQHd wQHs wQ (Hs - Hd) wQ (Hs + Hd) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of transmission through a pipe is 0.7666 0.567 0.6667 0.5 0.7666 0.567 0.6667 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the viscous force is called Reynold's number Euler's number Froude's number Weber's number Reynold's number Euler's number Froude's number Weber's number 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 all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities The liquid particles at all sections have the same velocities Each liquid particle has a definite path The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities ANSWER DOWNLOAD EXAMIANS APP
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