Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the turbines? Air lift pump Reciprocating pump Jet pump Centrifugal pump Air lift pump Reciprocating pump Jet pump Centrifugal pump 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 Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the viscosity of fluid is dominating over the inertia force is called Turbulent flow Steady flow Laminar flow Unsteady flow Turbulent flow Steady flow Laminar flow Unsteady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will be immersed in mercury by half Metal piece will sink to the bottom The metal piece will simply float over the mercury ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed Square root of fan speed Directly as fan speed Square of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow whose streamline is represented by a straight line, is called __________ dimensional flow. Four Three Two One Four Three Two One ANSWER DOWNLOAD EXAMIANS APP