Fluid Mechanics Steady uniform flow is represented by flow through a/an Long pipe at decreasing rate Expanding tube at constant rate None of these Long pipe at constant rate Long pipe at decreasing rate Expanding tube at constant rate None of these Long pipe at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 0.5Vav Vmax = Vav Vmax = 1.5Vav Vmax = 2Vav Vmax = 0.5Vav Vmax = Vav Vmax = 1.5Vav Vmax = 2Vav 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) Vavg 1.2 Vavg 1.8 Vavg 1.5 Vavg Vavg 1.2 Vavg 1.8 Vavg 1.5 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is > 4 > 1 1 < 2 > 4 > 1 1 < 2 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 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 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