CENTRAL AIR CONDITIONING - Quiz

1) Which RAC system belongs to centralised air conditioning?

Split AC Window AC Cassette AC Chiller plant AC

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

0.01 0.05 0.15 0.55

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

Hygrometer Velocimeter Anemometer Pitot tube manometer

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

Velocity pressure - static pressure Static pressure + velocity pressure Velocity pressure + suction pressure Suction pressure + discharge pressure

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

Humidistat Hydrometer Hygrometer Anemometer