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 Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Constant along a streamline Not constant along a streamline None of these Increased in the direction of flow Constant along a streamline Not constant along a streamline None of these Increased in the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless 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. 186.2 12.4 1.8 736.4 186.2 12.4 1.8 736.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ pressure is measured by a static tube. Static None of these Total Dynamic Static None of these Total Dynamic ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rise of liquid in a capillary tube is due to Both A & B Adhesion Neither A nor B Cohesion Both A & B Adhesion Neither A nor B Cohesion ANSWER DOWNLOAD EXAMIANS APP