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) wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd wd/4σ cosα 4wd/σ cosα σ cosα/4wd 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.65 to 0.75 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 0.65 to 0.75 0.85 to 0.90 0.75 to 0.85 0.50 to 0.65 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure on an immersed surface __________ with the increase in depth. None of these Does not change Decreases Increases None of these Does not change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water. Three fourth One-half Equal to Double Three fourth One-half Equal to Double ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Manometer is used to measure pressure in pipes, channels etc atmospheric pressure very low pressure difference of pressure between two points pressure in pipes, channels etc atmospheric pressure very low pressure difference of pressure between two points ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most efficient section of a channel is Triangular Trapezoidal Rectangular Square Triangular Trapezoidal Rectangular Square ANSWER DOWNLOAD EXAMIANS APP
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