Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) HB/(H + B) 2HB/(H + B) HB/2(H + B) 4HB/(H + B) HB/(H + B) 2HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady uniform flow is represented by flow through a/an Long pipe at constant rate None of these Long pipe at decreasing rate Expanding tube at constant rate Long pipe at constant rate None of these Long pipe at decreasing rate Expanding tube at constant rate 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 16 mm/s 28 mm/s 12 mm/s 24 mm/s 16 mm/s 28 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of actual discharge to theoretical discharge through an orifice is equal to Cd/Cv Cc . Cd Cc . Cv Cv . Cd Cd/Cv Cc . Cd Cc . Cv Cv . Cd 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. Parabola Semi-ellipse Hyperbola Semi-circle Parabola Semi-ellipse Hyperbola Semi-circle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet. P, Q and R P and R R and S P, Rand S P, Q and R P and R R and S P, Rand S ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS