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 A stream line is A line connecting the mid points of flow cross-section Drawn normal to the velocity vector at every point Always the path of particle Fixed in space in steady flow A line connecting the mid points of flow cross-section Drawn normal to the velocity vector at every point Always the path of particle Fixed in space in steady flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For an incompressible fluid, the bulk modulus of elasticity is 5 kg/m³ ∞ N/m² 1 N 0 N/m 5 kg/m³ ∞ N/m² 1 N 0 N/m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5π/2 5π/√2 10√2π 5√2π 5π/2 5π/√2 10√2π 5√2π ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Medium viscosity lubricating oil can be most ideally pumped by a __________ pump. Vane Centrifugal Piston Plunger Vane Centrifugal Piston Plunger ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to elastic forces is called the __________ number. Mach Euler Reynolds Weber Mach Euler Reynolds Weber ANSWER DOWNLOAD EXAMIANS APP