Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Roynolds number is less than 4000 less than 2000 between 2000 and 4000 more than 4000 less than 4000 less than 2000 between 2000 and 4000 more than 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is v₂²/2g 0.375 v₂²/2g v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g v₁²/2g 0.5 v₁²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The liquid used in manometers should have High density High surface tension Low density Low surface tension High density High surface tension Low density Low surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is 2.5 m 2.4 m 3.0 m 4.0 m 2.5 m 2.4 m 3.0 m 4.0 m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Liquids Cannot be compressed Occupy definite volume Are not affected by change in pressure and temperature None of the listed here Cannot be compressed Occupy definite volume Are not affected by change in pressure and temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge in an open channel corresponding to critical depth is Minimum Maximum None of these Zero Minimum Maximum None of these Zero ANSWER DOWNLOAD EXAMIANS APP
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