Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4wd/σ cosα σ cosα/4wd wd/4σ cosα 4σ cosα/wd 4wd/σ cosα σ cosα/4wd wd/4σ cosα 4σ cosα/wd 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) A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i A × M × m1/2 × i2/3 A1/2 × M2/3 × m × i A × M × m2/3 × i1/2 A2/3 × M1/3 × m × i ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Directly proportional to N² Inversely proportional to N Directly proportional to N Inversely proportional to N² Directly proportional to N² Inversely proportional to N Directly proportional to N Inversely proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a centrifugal pump casing, the flow of water leaving the impeller, is Forced vortex Rectilinear flow Radial flow Free vortex motion Forced vortex Rectilinear flow Radial flow Free vortex motion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of pressure compared to e.g. is below it at same point above or below depending on area of body above it below it at same point above or below depending on area of body above it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An orifice is said to be large, if The available head of liquid is more than 5 times the height of orifice The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The size of orifice is large The available head of liquid is more than 5 times the height of orifice The available head of liquid is less than 5 times the height of orifice The velocity of flow is large The size of orifice is large ANSWER DOWNLOAD EXAMIANS APP
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