Hydraulics and Fluid Mechanics in ME Ratio of inertia force to elastic force is known as Mach number Froude number Weber’s number Reynold’s number Mach number Froude number Weber’s number Reynold’s number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Four times Sixteen times Eight times Double Four times Sixteen times Eight times Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm) / (Q × ηo) (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g 0.375v²/2g 0.5v²/2g 0.75v²/2g v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called Orifice None of these Notch Weir Orifice None of these Notch Weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the flow changes from laminar flow to turbulent flow is called Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity Super-sonic velocity Velocity of approach Critical velocity Sub-sonic velocity ANSWER DOWNLOAD EXAMIANS APP
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