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 Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex, the velocity of flow everywhere within the fluid is zero minimum maximum non-zero finite zero minimum maximum non-zero finite ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is less than the critical depth, the flow is called Torrential flow Turbulent flow Tranquil flow Critical flow Torrential flow Turbulent flow Tranquil flow Critical flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Decrease Increase Remain unaffected May increase or decrease depending on the characteristics of liquid Decrease Increase Remain unaffected May increase or decrease depending on the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
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