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) 1/RN 64/RN 16/RN 4/RN 1/RN 64/RN 16/RN 4/RN 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 wd/4σ cosα 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Speed Fluid density Both (A) and (B) above Impeller diameter Speed Fluid density Both (A) and (B) above Impeller diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is between d and 1.5 d between 1.5 d and 2d greater than 2d less than d between d and 1.5 d between 1.5 d and 2d greater than 2d less than d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is negligible Cohesion pressure is increased Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is negligible Cohesion pressure is increased Cohesion pressure is decreased There is no cohesion pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of viscosity is kg-sec/meter Meters² per sec Newton-sec per meter² Newton-sec per meter kg-sec/meter Meters² per sec Newton-sec per meter² Newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
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