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 Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is Q/4 Q/2 Q/8 Q/16 Q/4 Q/2 Q/8 Q/16 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time Rate of the velocity change is constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Froude Mach Reynold Weber Froude Mach Reynold Weber ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively). B & G coincide None of these B is above G G is above B B & G coincide None of these B is above G G is above B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.5 Vavg Vavg 1.2 Vavg 1.8 Vavg 1.5 Vavg Vavg 1.2 Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
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