HVAC (EPA Certification Exam Section 608) Questions With Complete Solutions
How many types of HVAC certifications are there? correct answer: There are 4 types. What does a metering device do? correct answer: The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? correct answer: Heat is absorbed in the evaporator. What happens in the evaporator? correct answer: Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At the outlet of the evaporator the refrigerant is what? correct answer: The refrigerant is now a low temperature, low pressure vapor. As the refrigerant expels heat, the refrigerant condenses to a what? correct answer: It condenses to a liquid. At the condenser outlet what pressure is the refrigerant? correct answer: The refrigerant is a high pressure liquid. What is a metering device used for? correct answer: The
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hvac epa certification exam section 608 question