Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Remain same Decrease Increase Unpredictable Remain same Decrease Increase Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an 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 Long pipe at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the All of these Pipe length Fluid velocity in the pipe Time taken to close the valve All of these Pipe length Fluid velocity in the pipe Time taken to close the valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Plunger pumps are used for Viscous mass Slurries None of these Higher pressure Viscous mass Slurries None of these Higher pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant 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 12 mm/s 24 mm/s 16 mm/s 28 mm/s 12 mm/s 24 mm/s 16 mm/s ANSWER DOWNLOAD EXAMIANS APP
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