Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed Square root of fan speed Square of fan speed Directly as fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH2/2 wH2/4 wH wH/2 wH2/2 wH2/4 wH wH/2 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 0.884 0.848 0.488 0.392 0.884 0.848 0.488 0.392 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Remain unaffected Increases Unpredictable Decreases Remain unaffected Increases Unpredictable Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV/2g) × sin θ (waV²/2g) × sin 2θ (waV²/g) × sin θ (waV/g) × sin θ (waV/2g) × sin θ (waV²/2g) × sin 2θ (waV²/g) × sin θ (waV/g) × sin θ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following pump is successfully used for lifting water to the boilers? Jet pump Reciprocating pump Airlift pump Centrifugal pump Jet pump Reciprocating pump Airlift pump Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
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