List of top Agricultural Engineering and Technology Questions on Drying and Psychrometry

Given below are two statements:
Statement (I): The direct measurement of relative humidity is done using hygrometer.
Statement (II): The most common method of measuring relative humidity is using dry and wet bulb thermometers.

In light of the above statements, choose the most appropriate answer from the options given below.
Psychometric chart can be used to find out
(A). Dew point temperature
(B). Triple point
(C). Humid volume
(D). Humidity

Choose the correct answer from the options given below:
Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): Sensible heating of air increases the humidity of air.
Reason (R): Process of sensible heating is represented on the psychrometric chart by a straight horizontal line.

In light of the above statements, choose the correct answer from the options given below.
In the adiabatic drying process, if there is a decrease in the value of dry bulb temperature, then
Match List-I with List-II.
List-IList-II
(A) Falling rate period(I) Ratio of humidity with respect to humidity at saturation point
(B) Absolute humidity(II) Critical moisture content
(C) Percent humidity(III) Equilibrium moisture content
(D) Constant rate period(IV) Ratio of kg of water vapour in kg of dry air
Choose the correct answer from the options given below: