EPA 608 Certification - Core Exam
   
EPA 608 Certification - Core Practice Exam - 120 Questions

This exam consists of 120 multiple choice questions & answers. The questions are  representative of the most relevant topics covered in the evaluation for the EPA 608 Certification - Core Exam. Time limit: 120 minutes.

This practice exams has been designed for anyone looking to pass the official exams and looking for become a licensed EPA 608 Certification Technician in US. Regardless of which certification type as Technician you apply for, each type requires passing the same Core questions. To pass any EPA type of license, a Technician must pass the Core section of the test plus one of the technician types listed above. Once Core is passed, it need not be taken again and it may be used for additional EPA types. Preparing with the use of sample test questions for this area is critical. The questions are divided into categories, and they include topics such as ozone depletion, the Clean Air Act or CAA, refrigeration and safety practices.

This Core Practice exam EPA 608  will show you 120 randomly selected questions each time you start a new practice. Each time you take this test, the software randomly will select a new set of questions. Don’t miss this opportunity to improve your chances of passing your EPA 608 Certification - Core Practice Exam.

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Core, Type I, Type II and Type III Practice Exams
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About Ozone Depletion Substances and Refrigerants

The layer of ozone in the stratosphere helps to filter out ultraviolet (UV) radiation from penetrating to the Earth’s surface where it destroys protein and DNA molecules. Without this protective layer of ozone, it is doubtful whether life could have evolved on Earth at all. Although there are natural causes of variation in ozone levels, recent observations have indicated that this layer is being broken down by the emission of various chemicals from the Earth, especially chlorine used by the HVAC industry in refrigerants for refrigeration and air conditioning, several years ago.

Since 1979, the amount of stratospheric ozone over the entire globe has fallen for about 4 to 6 per cent per decade in the mid-latitudes and by 10 to 12 per cent in higher latitudes. In general penetration of UV-b radiation increases by 2 per cent for every 1 per cent decrease in the ozone layer. UV-b radiation is responsible for several serious negative effects on humans and animals, mainly related to eyes, skin and immune system.

The USA government  requires all individuals who work directly with controlled refrigerant to be certified. In USA all persons working and using refrigerants must be certified by passing a EPA Section 608 examination. Students for this test can be certified under three equipment categories plus Universal.

- Type I: A Type I technician primarily works on small appliances such as domestic refrigerators, window air conditioners, PTACs and vending machines (a small appliance is defined by the EPA as a unitary system that contains less than five pounds of refrigerant charge).
-Type II: A Type II technician primarily works on equipment using a high pressure refrigerant such as HCFC-22. The equipment includes residential air conditioners and heat pumps, supermarket refrigeration and process refrigeration. (medium-pressure, high-pressure, and very high-pressure)
- Type III: A Type III technician primarily works on equipment using a low pressure refrigerant such as HCFC-123 or CFC-11. These units are primarily chillers.
- Universal: Any candidate passing all three of these EPA types is certified as Universal.

To pass any EPA type, a candidate must pass the Core section of the test plus one of the technician types listed above. Once Core is passed, it need not be taken again and it may be used for additional EPA types. A passing score of 70%, or 18 out of 25 correct, is required in order to be certified. Each section is graded independently, so a technician could pass Core, Type I and Type III and fail Type II. In this case the technician would be certified as a Type I and Type III technician. Core must be passed to receive any certification. All sections must be passed in order to achieve Universal Technician status.


DISCLAIMER

HVAC-Certification-Exam-Guide.com has created this powerful online practice quiz engine to help you prepare for HVAC Certification in USA. Please note that this is not a real test. HVAC-Certification-Exam-Guide.com is not responsible for any results of your real test. Federal and state regulations and codes could be modified anytime. In no way is HVAC-Certification-Exam-Guide.com is responsible for its accuracy. The practice HVAC exams found in this website are not intended to teach HVAC practices or regulations, air conditioning–refrigeration system installation, troubleshooting, or repair. Always consult your local, state, or federal codes. At all times follow the manufacturer's listed installation and service requirements.


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Does not matter which of the technician certification exams you will be taken, our HVAC Practice Exams are designed to improve your knowledge, your score and your future!