Hydraulics and Fluid Mechanics in ME When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Broad-crested weir Ogee weir Narrow-crested weir Submerged weir Broad-crested weir Ogee weir Narrow-crested weir Submerged weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension will increase in size of tube will Decrease May increase or decrease depending on the characteristics of liquid Remain unaffected Increase Decrease May increase or decrease depending on the characteristics of liquid Remain unaffected Increase ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum number of jets generally employed in impulse turbine without jet interference is 8 12 4 6 8 12 4 6 ANSWER DOWNLOAD EXAMIANS APP
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 4σ cosα/wd wd/4σ cosα σ cosα/4wd 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 4/RN 64/RN 1/RN 16/RN 4/RN 64/RN 1/RN 16/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as Lower critical velocity None of these Velocity of approach Higher critical velocity Lower critical velocity None of these Velocity of approach Higher critical velocity ANSWER DOWNLOAD EXAMIANS APP
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