A fluid commonly used in cryogenic freezing is liquid _____
a. HCFC-22
b. nitrogen
c. carbon monoxide
d. HFC-134a
b
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The maximum vertical lift for the liquid line in a residential system is typically
A) 80 feet B) 30 feet C) 20 feet D) 50 feet
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What is the correct reading on the ruler as represented by the letter D reduced to lowest terms?
What will be an ideal response?
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GFCI protection for personnel is required for every ____ receptacle located in the bathroom area.
A. 125-volt, single-phase 20- and 25-ampere B. 112-volt, single-phase 15-ampere C. 112-volt, single-phase 20-ampere D. 125-volt, single-phase 15- and 20-ampere
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What is the first step of the diagnosis process?
A) Look at scan tool data B) Check for technical service bulletins C) Verify the problem D) Retrieve the diagnostic trouble codes
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