Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) 1/d D L/σ Σ 1/d D L/σ Σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 40 1 10 70 40 1 10 70 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump can be avoided by keeping the Outlet pressure high Outlet pressure low Inlet pressure high Inlet pressure low Outlet pressure high Outlet pressure low Inlet pressure high Inlet pressure low ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) πx x/2 2x x πx x/2 2x x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). G is above B B & G coincide None of these B is above G G is above B B & G coincide None of these B is above G ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂t = 0 ∂/∂s = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂s = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
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