Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is more than 4000 between 2000 and 4000 less than 2000 less than 4000 more than 4000 between 2000 and 4000 less than 2000 less than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place Efficiency will be low Excessive power will be consumed Cavitation will be formed No flow will take place ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.81 times 0.34 times 0.95 times 0.67 times 0.81 times 0.34 times 0.95 times 0.67 times 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? The metal piece will simply float over the mercury The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level Metal piece will sink to the bottom The metal piece will simply float over the mercury The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level Metal piece will sink to the bottom ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line by an amount equal to the Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In one dimensional flow, the flow Takes place in one direction Takes place in straight line Takes place in curve Is steady and uniform Takes place in one direction Takes place in straight line Takes place in curve Is steady and uniform ANSWER DOWNLOAD EXAMIANS APP
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