Related Mcqs:

1. At constant pressure, with increase of temperature, the dew point will ________________________?

   A. Increase
   B. Decrease
   C. Remain unchanged
   D. Increase/decrease; depends on the temperature

2. Detergent solution is dried to a powder in a ________________________?

   A. Spray dryer
   B. Spouted bed dryer
   C. Tunnel dryer
   D. Pan open to atmosphere

3. If f = moles of vapour present per mole of feed, then the slope of feed line is (McCabe- Thiele method) ________________________?

   A. (1 – f)/f
   B. – (f – 1)/f
   C. -1/f
   D. -f/(1 – f)

4. The reciprocal of stripping factor is termed as ________________________?

   A. Selectivity index
   B. Relative volatility
   C. Absorption factor
   D. Murphree efficiency

5. Inside the distillation columns, the ________________________?

   A. Highest temperatures is near the feed plate
   B. Driving force for the liquid flow is its weight
   C. Vapors are not always at their dew points
   D. All A., B. and C.

6. The McCabe ΔL law states that the____________________?

   A. Molar heats of vaporisation of components are nearly equal
   B. Linear crystal growth rate depends on the degree of super-saturation
   C. Linear crystal growth rate does not depend on the crystal size
   D. Linear crystal growth rate depends on the crystal size

7. Raoult’s law does not apply, when the___________________?

   A. Size of component molecules are not equal
   B. Attractive forces between like and unlike molecules in the solution are approximately equal
   C. Component molecules are non-polar
   D. Chemical combination or molecular association between unlike molecules takes place in the
   formation of solution

8. According to Poiseuille’s law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)___________________?

   A. μ
   B. 1/μ
   C. √μ
   D. μ2

9. The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an _________________ law?

   A. Exponential
   B. Parabolic
   C. Linear
   D. Cubic

10. Raoult’s law is applicable to the_____________________?

    A. Ideal solutions
    B. Real solutions
    C. Mixture of water and alcohol
    D. Non-ideal gases