Question

Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

a.

higher dew point.

b.

higher absolute (specific) humidity.

c.

higher relative humidity

d.

higher wet bulb temperature.

Answer: (c).higher relative humidity

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Separation of two or more components of a liquid solution can not be achieved by

Q. Stefan's law describes the mass transfer by

Q. At minimum reflux ratio for a given separation

Q. The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________

Q. Dew point of a gas-vapour mixture

Q. In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Q. Which of the following plays an important role in problems of simultaneous heat and mass transfer ?

Q. In case of an absorber, the operating

Q. Total reflux in a distillation operation requires minimum

Q. The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by

Q. The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is

Q. Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the

Q. When the temperature and humidity of air is low, we usually use __________ draft cooling tower.

Q. Make up water is required in a cooling tower to replace the water lost by

Q. Which of the following quantities need not be fixed before starting the design of a co-current absorber ?

Q. Mass transfer co-efficient of liquid is

Q. Absorption accompanied with chemical reaction is exemplified by the absorption of

Q. Which of the following unit operations makes use of Thiele-Geddes equation ?

Q. As the reflux ratio in a distillation coloumn is increased from the minimum, the

Q. Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!