Question

What is psychometric chart?

(a) It is the graphical representation of thermodynamic properties

(b) It is the graphical representation of chemical properties

(c) It is the graphical representation of drying properties

(d) It is the graphical representation of mechanical properties

The question was posed to me by my school principal while I was bunking the class.

Enquiry is from Drying topic in division Drying of Food Processing Unit Operations

Answer 1

Correct option is (a) It is the graphical representation of thermodynamic properties

For explanation I would say: Psychometric chart is a graphical representation of thermodynamic properties of moist air at one atmosphere like wet bulb temperature, dry bulb temperature, dew point temperature, humidity ratio, relative humidity, specific volume and enthalpy.