Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 1.8 736.4 12.4 186.2 1.8 736.4 12.4 186.2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics High specific speed of a pump implies that, it is a/an __________ pump. Centrifugal Axial flow Mixed flow None of these Centrifugal Axial flow Mixed flow None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. Gear Sump Piston Positive displacement Gear Sump Piston Positive displacement ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the Square of particle size Inverse of fluid viscosity Difference in the densities of the particle & fluid All of these Square of particle size Inverse of fluid viscosity Difference in the densities of the particle & fluid All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress ANSWER DOWNLOAD EXAMIANS APP
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