Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Axial flow Reciprocating Mixed flow Centrifugal Axial flow Reciprocating Mixed flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by 0.15 0.05 0.2 0.1 0.15 0.05 0.2 0.1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant) A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A × M × m1/2 × i2/3 A2/3 × M1/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is 2r r/2 r 2r r/2 r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q²/g)1/3 (q³/g)1/4 (q/g)1/2 (q⁴/g)1/5 (q²/g)1/3 (q³/g)1/4 (q/g)1/2 (q⁴/g)1/5 ANSWER DOWNLOAD EXAMIANS APP
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