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HVAC-R Mid-term Review 2024 Questions & Answers Rated A+
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HVAC-R Mid-term Review 2024 Questions & Answers Rated A+
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Name: Score:90 Multiple choice questions
Term 1 of 90
Braising is done at what temperature then soldering
Lower temperature
Higher temperature
More heat
Higher pressure
Term 2 of 90
Condenser is located on the low side of the system
False
White
Chlorine
True
Term 3 of 90
How do you maintain pressure in a liquid can while change in the system
Heat with water at 91°f
Heat with water at 100°f
Heat with water at 90°F
28° to 40°f
,Term 4 of 90
Name three types of oils
Glass, digital and pocket dial indicator
Alkyl benzenes, glycols, & esters
Screw compressor
The liquid line
Term 5 of 90
What does the compressor do in the refrigerator
Cools the food inside the refrigerator
Moves refrigerant from low side to high side
Generates electricity for the refrigerator
Regulates the temperature inside the refrigerator
Term 6 of 90
A critically charge system will always have a receiver
False
No
HFC's
True
, Term 7 of 90
Purging a system can be done with refrigerant in the system
False
Low pressure side/suction side
True
Flooding the compressor
Definition 8 of 90
8° to 12°F
Medium temp evaporator should run at what superheat
A medium temperature refrigeration runs at
What temp is needed to calculate low side pressure
What solder is use for moderate pressures and temps
Term 9 of 90
Refrigeration copper tubing is measured by?
25 foot and 50 foot rolls
OD (outside diameter)
The liquid line
OD(outside diameter)
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