Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will increase remain unaffected decrease may increase or decrease depending on the characteristics of liquid increase remain unaffected decrease may increase or decrease depending on the characteristics of liquid 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) 64/RN 4/RN 16/RN 1/RN 64/RN 4/RN 16/RN 1/RN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The process of diffusion of one liquid into the other through a semi-permeable membrane is called osmosis viscosity surface tension cohesion osmosis viscosity surface tension cohesion 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) σ cosα/4wd 4σ cosα/wd 4wd/σ cosα wd/4σ cosα σ cosα/4wd 4σ cosα/wd 4wd/σ cosα wd/4σ cosα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 1.417 H5/2 7.141 H5/2 4.171 H5/2 0.417 H5/2 1.417 H5/2 7.141 H5/2 4.171 H5/2 0.417 H5/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The cavitation in reaction turbines is avoided, to a great extent by Using stainless steel runner of the turbine All of these Installing the turbine below the tail race level Providing highly polished blades to the runner Using stainless steel runner of the turbine All of these Installing the turbine below the tail race level Providing highly polished blades to the runner ANSWER DOWNLOAD EXAMIANS APP
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