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FREE AUTOMOTIVE AND STUDY GAMES ABOUT EPA 608
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -82 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What is considered low pressure refrigerants?
Answer:
Boiling points above 50 degrees F at atmospheric pressure.
Question 2: Who's responsibility is it to comply to any regulation changes?
Answer:
The technician
Question 3: Mixed refrigerant
Answer:
Is contaminated refrigerant caused by combining two or more different refrigerants in the same container or system. It cannot be recycled.
Question 4: Who must get certified?
Answer:
Anyone who will perform maintenance, service, or repair that it is reasonably expected to release CFC or HCFC into the atmosphere.
Question 5: Violation of the CAA can result in what?
Answer:
Fines up to $27,500 per day, per violation. Also you could lose your certification and/or appear in federal court.
Question 6: How often are reusable cylinders required to be safety tested?
Answer:
Every 5 years tested and stamped
Question 7: What is the stratospheric ozone?
Answer:
It is the ozone layer that is approximately 7 - 30 miles above the earth.
Question 8: Approved recovery cylinders are what color?
Answer:
Gray body and yellow top
Question 9: What are the leak detection methods?
Answer:
Soap bubble test, standard pressure test, evacuation and standing vacuum test.
Question 10: What are some safety precautions when handling refrigerants?
Answer:
Wear appropriate protective clothing, be familiar with the MSDS, avoid inhalation, avoid contact with skin and eyes, and never expose refrigerant or refrigerant tank to open flame
Question 11: What is an appliance (Equipment)
Answer:
It is any device which uses and contain class I or II substances or substitute refrigerant and is used for household or commercial purposes.
Question 12: What is considered very high pressure refrigerants?
Answer:
Boiling points below -50 degrees F at atmospheric pressure.
Question 13: Does the EPA require recertification?
Answer:
No, but it can change in the future Question 14: Supplying information that leads to conviction of violating the CAA can do what?
Answer:
Be rewarded up to $10,000.00
Question 15: What is chlorine monoxide in the upper stratosphere indicate?
Answer:
Destruction of the ozone Question 16: When filling reusable refrigerant, what capacity weight must not be exceeded?
Answer:
80% (allows for expansion).
Question 17: When is a system considered dehydrated?
Answer:
When the required level of vacuum is reached and held.
Question 18: What are typical refrigerants used in low pressure refrigerants?
Answer:
R-11, R-113, and R-123
Question 19: What type of storage and recovery containers should you use?
Answer:
DOT approved
Question 20: What is a Hydrochlorofluorocarbons (HCFC)?
Answer:
Contains the elements of hydrogen, chlorine, fluorine, and carbon. It is less harmful to the stratospheric ozone.
Question 21: What are the types of certifications?
Answer:
Type I, Type II, Type III and Universal
Question 22: What is Self-contained Recovery Equipment?
Answer:
Recovery or recycling equipment that is capable of removing refrigerant from and appliance without the assistance of components contained in the appliance.
Question 23: What does the 1,2,or 3 signify in the ASHRAE Standard 34?
Answer:
The flammability Question 24: Why should you use short hoses between unit and recovery device and vacuum pump?
Answer:
Reduces pressure drop, reduces recovery time, reduces amount of potential refrigerant emissions.Question 25: What can affect the speed and efficiency of evacuation and dehydration?
Answer:
Ambient temperature, moisture in the system, and size of system being evacuated.
Question 26: What is Asphyxia
Answer:
Loss of consciousness due to lack of oxygen. May be the cause of death.
Question 27: What determines dehydration time?
Answer:
The capacity of the vacuum pump and the size of the suction line.
Question 28: What is the Montreal Protocol?
Answer:
A treaty that was first signed by a group of nations in 1987 that agreed to limit production and consumption of chlorofluorocarbons, hydrochlorofluorocarbons, and halons as a global group.