Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Greater in 1 mm dia tube Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes Greater in 1 mm dia tube Zero in both the tubes Greater in 0.5 mm dia tube Same in both the tubes 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 24 mm/s 28 mm/s 12 mm/s 16 mm/s 24 mm/s 28 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-ellipse Hyperbola Parabola Semi-circle Semi-ellipse Hyperbola Parabola Semi-circle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more Length is shorter Sudden expansion of flow in the downstream occurs Throat diameter is more Distance between the throat and the inlet is more ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Expanding tube at constant rate Long pipe at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Expanding tube at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of bulk modulus of elasticity for a liquid in S.I. unit is N N/m N/m³ N/m² N N/m N/m³ N/m² ANSWER DOWNLOAD EXAMIANS APP
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