HVAC: EPA 608 Certification Exam With 100% Correct Answers 2024

HVAC: EPA 608 Certification Exam With 100% Correct Answers 2024 How many types of HVAC certifications are there? - answerThere are 4 types. What does a metering device do? - answerThe metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - answerHeat is absorbed in the evaporator. What happens in the evaporator? - answerHeat 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? - answerThe refrigerant is now a low temperature, low pressure vapor. As the refrigerant expels heat, the refrigerant condenses to a what? - answerIt condenses to a liquid. At the condenser outlet what pressure is the refrigerant? - answerThe refrigerant is a high pressure liquid. What is a metering device used for? - answerThe metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. A system that uses a capillary tube or fixed bore metering device is usually equipped with a blank? - answerAccumulator which would be located in the suction line directly following the evaporator. A system that uses a thermostatic expansion valve is usually equipped with a what? - answerA receiver, which would be located in the liquid line directly following the condenser. The compound gauge is what color? - answerBlue. The high pressure gauge is what color? - answerRed. The blank measures low pressure (psig) and vacuum (inches Hg.). - answerCompound gauge. What does the high pressure gauge measure. - answerIt measures high side (discharge) pressure. EPA regulations require that hoses be equipped with what? - answerLow loss fittings that will minimize refrigerant loss when hoses are disconnected. The stratosphere is located where? - answerBetween 10 and 30 miles above sea level. What is the stratosphere comprised of? - answerOzone. An Ozone molecule consists of what? - answerThree oxygen atoms (03). What does Ozone protect us from? - answerHarmful ultraviolet radiation. What does Ozone help maintain? - answerIt helps maintain stable Earth temperatures. Depletion of Ozone in the stratosphere causes what? - answerCrop loss, Increase in eye diseases, Skin cancer, Reduced marine life