Topic 8 Air Cond

Question 1

What is the ideal temperature and humidity level

Answer 1

24 to 26, between 50% and 70%

Question 2

Cooling load sources

Answer 2

1. Solar gain
2. Heat transmission
3. Fresh air
4. Occupants
5. Lighting
6. Equipment
7. Latent heat

Question 3

4 components of the refrigeration cycle

Answer 3

1. Compressor
2. Condensor
3. Expansion valve
4. Evaporator

Question 4

What is the purpose of a condensate pipe

Answer 4

transports ‘condensate’ wastewater from your boiler to the floor trap

Question 5

Location of components

Answer 5

Inside the room - Evaporator
Outside the room - Condenser, compressor, expansion valve

Question 6

What is the probable cause of a chill water pipe leaking?

Answer 6

1. Equipment failure/ damage (corrosion)
2. Loose or broken fastenings
3. Faulty shaft seals on pumps