USA - EPA 608 Certification
Core Exam
In USA, the exam for EPA 608 Technician Certification, must be administered
by an EPA-approved certifying organization.
EPA-608 CORE - Practice Exam
This exam consists of 150 multiple choice questions & answers. The questions are representative of the most relevant topics covered in the evaluation for the EPA 608 Certification - Core Exam. 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 EPA 608 Practice exam will show you 150 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.
- Total Questions: 150 - Time: 220 Minutes
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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.
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.
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