Fluid Mechanics A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid. Ideal Newtonion Non-Newtonion Incompressible Ideal Newtonion Non-Newtonion Incompressible ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept None of these Either open or closed Open Closed None of these Either open or closed Open Closed 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 16 mm/s 12 mm/s 28 mm/s 24 mm/s 16 mm/s 12 mm/s 28 mm/s 24 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 0.44 0.24 24 24000 0.44 0.24 24 24000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 √d d1/3 d4/5 d2/3 √d d1/3 d4/5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Decrease Remain same Data insufficient to predict pressure drop Increase Decrease Remain same Data insufficient to predict pressure drop Increase ANSWER DOWNLOAD EXAMIANS APP
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