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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 15
16.
Which of the following is not an advantage of fluidisation from transfer operation point of view?
Intimate contact of the fluid with all parts of the solid particles.
Lower fluid pumping power requirement.
Minimisation of temperature variation.
Prevention of particle seggregation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Upto what value of 'Mach number', a fluid may be considered as incompressible ?
0.03
0.3
3
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The head developed by a centrifugal pump is largely determined by the
power of the pump.
nature of the liquid being pumped.
angle of the vanes and the speed of the tip of the impeller.
vapour pressure of the liquid.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Pick out the wrong statement:
Greater is the kinematic viscosity of the liquid, greater is the thickness of the boundary layer.
Blowers develop a maximum pressure of 2 atmospheres.
Friction losses in pipe fittings are generally expressed in terms of velocity heads.
Fanning friction factor in case of turbulent flow of liquids in pipe depends upon relative roughness & Reynolds number.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Flow rate of high velocity flue gas discharged through a stack to the atmosphere can be most conveniently measured by a
pitot tube
manometer
rotameter
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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