Unit 3 Quiz 1

Air Conditioning is considered what type of refrigeration?

. High Temp

One ton of refrigeration is the amount of heat required to melt ________ ton of _________ Deg. F ice in a _______ hr. period.

1, 32, 24

When sizing equipment, 1 ton of cooling can remove how many BTU per Hour?

12000

How many BTU's are required to melt 1 Lb of 32 Deg. F ice?

144

If you have an air conditioning system rated at 3 tons of cooling, how many BTU's can the system remove per hour?

36000

What pressure should R-22 be at 41°F?

70

What temperature should R-410A be at 295 PSIG?

95

According to the pressure / temperature relationship, if you increase pressure you increase temperature

True or False true

Refrigeration is the process of removing heat from where it is not wanted to a place where it makes little or no difference.

True or False true

Refrigerant is defined as a substance that can be changed to a __________ by boiling it, and then changed to __________ by condensing it.

vapor, liquid