Central Air Conditioning MCQ with Answers

Central Air Conditioning MCQ with Answers

1) Which RAC system belongs to centralised air conditioning?

Answer is:

Chiller plant AC

Explanation:

.

2) What is the percentage of HCl used for making descaling solution with water?

Answer is:

0.05

3) Which instrument is used to measure the total pressure in an air duct?

Answer is:

Pitot tube manometer

Which instrument is used to measure the total pressure in an air duct?

4) What is meant by total pressure in a duct?

Answer is:

Static pressure + velocity pressure

5) Which device controls the moisture in AC room air?

Answer is:

Humidistat