Explore topic-wise MCQs in Food Processing Unit Operations.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.

1.

Is dew point same as wet bulb?

A. True
B. False
Answer» C.
2.

What is dew point depression?

A. Difference between dry bulb temperature and dew point temperature of air
B. Difference between wet bulb temperature and dew point temperature of air
C. Difference between relative humidity and dew point temperature of air
D. Difference between wet bulb depression and dew point temperature of air
Answer» B. Difference between wet bulb temperature and dew point temperature of air
3.

What is wet bulb depression?

A. Difference between dry bulb temperature and wet bulb temperature at any point
B. Difference between relative humidity and wet bulb temperature at any point
C. Difference between dew point and wet bulb temperature at any point
D. Difference between dry bulb temperature and dew point temperature at any point
Answer» B. Difference between relative humidity and wet bulb temperature at any point
4.

Who invented the sling psychrometrer?

A. Sir John Leslie
B. Leonardo da Vinci
C. George Babcock
D. George Brayton
Answer» B. Leonardo da Vinci
5.

What is another name for humidity ratio?

A. Mixing ratio
B. Water ratio
C. Relative humidity ratio
D. Bound water ratio
Answer» B. Water ratio
6.

Which lines indicate relative humidity in the psychometric charts?

A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Answer» E.
7.

Which lines indicate dry bulb temperatures in the psychometric chart?

A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Answer» C. Horizontal lines
8.

Which lines indicate wet bulb temperatures in the psychometric charts?

A. Diagonals lines
B. Vertical lines
C. Horizontal lines
D. Curves
Answer» B. Vertical lines
9.

Who invented the psychometric chart?

A. Dr Richard Seligman
B. George Babcock
C. George Brayton
D. Willis H. Carrier
Answer» E.
10.

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
Answer» B. It is the graphical representation of chemical properties