Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head Velocity head Pressure head + velocity head Pressure head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity corresponding to Reynold number of 2800, is called Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity Sub-sonic velocity Super-sonic velocity Lower critical velocity Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Trapezoidal Rectangular Square Circular Trapezoidal Rectangular Square Circular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 25 kN/m2 245 kN/m2 2500 kN/m2 2.5 kN/m2 25 kN/m2 245 kN/m2 2500 kN/m2 2.5 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Does not change Expands None of these Contracts Does not change Expands None of these Contracts ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) L.A.N 2 L.A.N (L.A.N)/60 (2 L.A.N)/60 L.A.N 2 L.A.N (L.A.N)/60 (2 L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
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