Massachusetts Refrigeration Test -prep Questions and Answers Latest Version Top Rated

Massachusetts Refrigeration Test -prep
Questions and Answers Latest Version Top
Rated

Question 1
Secondary refrigerants are usually
Correct Answer
Water or brine



Question 2
A rule of thumb in air conditioning is: how many cfm per ton
Correct Answer
400cfm



Question 3
522 C.VIR 9.00 has adopted for reference. Ashrae standard ?
Correct Answer
15




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,Question 4
What device proves the pilot flame in a typical furnace?
Correct Answer
Thermocouple



Question 5
When the compressor is below the condenser
Correct Answer
Traps are needed on the discharge line



Question 6
The oil separator is located
Correct Answer
Between the compressor and condenser



Question 7
The purpose of a receiver is
Correct Answer
To increase the capacity that a system can hold




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, Question 8
Which is an organic refrigerant
Correct Answer
R-717



Question 9
The density of gas refers to
Correct Answer
pounds per cubic foot



Question 10
The process of converting liquid to vapor is
Correct Answer
Vaporization



Question 11
Which creates more of a heat load
Correct Answer
90% RH




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