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 Piston Positive displacement Sump Gear Piston Positive displacement Sump ANSWER DOWNLOAD EXAMIANS APP
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). V₁ = V₂ = V₃ 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 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. 1.8 186.2 12.4 736.4 1.8 186.2 12.4 736.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ∂/∂t = constant ∂/∂t = 0 ∂/∂s = 0 ∂/∂t = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 12 mm/s 16 mm/s 24 mm/s 28 mm/s 12 mm/s 16 mm/s 24 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant? Turbulent Rotational Unsteady Non-uniform Turbulent Rotational Unsteady Non-uniform ANSWER DOWNLOAD EXAMIANS APP
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