The EPA requires the repair of refrigerant leaks:
A) Only in systems containing HFC refrigerant.
B) Only in systems containing CFC refrigerant.
C) Only in systems with a refrigerant charge greater than 50 pounds.
D) For all types of leaks in all kinds of systems.
C
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Fire is both a chemical and a physical process
Indicate whether the statement is true or false
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Battery electrolyte is a mixture of water and which of these?
A) Sulfuric acid B) Sulfur Dioxide C) Lead peroxide D) Lead sulfate
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What type of gas is used to pressurize new ACR piping circuits for leak detection purposes?
A. oxygen B. carbon dioxide C. nitrogen D. refrigerant
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Calculate the decimal value of the binary number 10101.
What will be an ideal response?
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