5003 week 3 & 4

Question 1

E3?

Answer 1

Internal moisture

Question 2

E2?

Answer 2

external moisture

Question 3

H1?

Answer 3

energy efficiency

Question 4

G4?

Answer 4

Ventilation

Question 5

What is a Psychrometric chart?

Answer 5

Psychrometric chart is a graphic representation of the relationship between air temperature, moisture content and enthalpy.

Question 6

Dew Point temperature?

Answer 6

Temperature which water vapour starts to condense out of the air

Question 7

Dry Bulb Temperature

Answer 7

Dry bulb temp is the most commonly referred to air temperature, this is the temperature on the thermostat.
Air temperature not affected by air.

Question 8

Relative humidity

Answer 8

quantity of water vapour present in the air

Question 9

specific Volume

Answer 9

Defined as total volume of dry air and water vapour mixture per KG of dry air. m3/kg

Question 10

wet bulb temperature

Answer 10

surface temp of a material in contact with an absorbent material wetted to the saturation point. eg; wet towel