Hydraulics and Fluid Mechanics in ME Alcohol is used in manometers because It has low vapour pressure It can provide longer column due to low density It has low surface tension It is clearly visible It has low vapour pressure It can provide longer column due to low density It has low surface tension It is clearly visible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.50 to 0.65 0.65 to 0.75 0.75 to 0.85 0.85 to 0.90 0.50 to 0.65 0.65 to 0.75 0.75 to 0.85 0.85 to 0.90 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Density of water is maximum at 100°C 0°K 0°C 4°C 100°C 0°K 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property by virtue of which a liquid opposes relative motion between its different layers is called Coefficient of viscosity Surface tension Viscosity Osmosis Coefficient of viscosity Surface tension Viscosity Osmosis 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) wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP