Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently Can be operated with delivery valve closed Are not subject to air binding Deliver liquid at uniform pressure Can handle slurries more efficiently Can be operated with delivery valve closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump can be avoided by keeping the Outlet pressure high Inlet pressure high Outlet pressure low Inlet pressure low Outlet pressure high Inlet pressure high Outlet pressure low Inlet pressure low 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.) √d d4/5 d1/3 d2/3 √d d4/5 d1/3 d2/3 ANSWER DOWNLOAD EXAMIANS APP
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. Newtonion Incompressible Non-Newtonion Ideal Newtonion Incompressible Non-Newtonion Ideal ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rise of liquid in a capillary tube is due to Adhesion Cohesion Both A & B Neither A nor B Adhesion Cohesion Both A & B Neither A nor B 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 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s ANSWER DOWNLOAD EXAMIANS APP
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