608 Type II Technician
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | Anyone who will perform maintenance, service, or repair that it is reasonably expected to release CFC or HCFC into the atmosphere.
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| What are the types of certifications? | show 🗑
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| Does the EPA require recertification? | show 🗑
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| Who's responsibility is it to comply to any regulation changes? | show 🗑
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| show | Any high or very high pressure refrigerants.
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| show | Boiling points between -58 degrees and 50 degrees F at atmospheric pressure.
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| What are typical refrigerants used in high pressure refrigerants? | show 🗑
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| show | Boiling points below -50 degrees F at atmospheric pressure.
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| show | R-13, and R-503
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| show | To reduce the amount of refrigerant in the lubricating oil.
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| What is a Low Loss Fitting? | show 🗑
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| show | Repair that involves removal of the compressor, condenser, evaporator, or auxiliary heat exchanger oil.
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| What is a moisture-indicating sight glass used for? | show 🗑
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| Where do you usually oil foaming? | show 🗑
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| show | Recovery or recycling equipment that is capable of removing refrigerant from and appliance without the assistance of components contained in the appliance.
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| show | A recovery system that requires the assistance of components contained in the appliance. The pressure of the refrigerant in the appliance and capture refrigerant in a non-pressurized container.
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| show | Refrigerants are classified into safety groups based on toxicity and flammability. That there are six classifications.
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| show | A1, A2, A3, B1, B2, B3
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| show | The toxicity
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| What does the 1,2,or 3 signify in the ASHRAE Standard 34? | show 🗑
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| What does ASHARE Standard 15 state? | show 🗑
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| When are Owners required to do repairs? | show 🗑
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| show | If the Annual leak is 35% or greater.
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| When is comfort cooler chillers and any other equipment required to do repairs? | show 🗑
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| What are common leak detection methods? | show 🗑
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| Should you ever use compressed air or oxygen to pressurize a system? | show 🗑
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| What are the common sources of leaks? | show 🗑
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| show | Knowledge of the function and location of all components of the refrigeration system.
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| What are the important components of a refrigeration system? | show 🗑
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| What are the refrigerant conditions? | show 🗑
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| show | If, due to leaks, the required evacuation level is not attainable, or substantially contaminate refrigerant
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| What does ARI 740 mean? | show 🗑
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| What should you do before recovering refrigerant from an appliance? | show 🗑
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| show | You have to use a recovery device, hoses, gauges, and vacuum pump dedicated for R134a only.
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| What is the quickest method of recovery to recover liquid from the high side? | show 🗑
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| show | Will decrease oil loss.
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| When doing a recovery, what should be recovered first and what is last? | show 🗑
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| show | By cooling the cylinder with ice.
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| Why should you use caution when the recovery device has a refrigerant cooled hermetic compressor? | show 🗑
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| What should you do once the required recovery vacuum level has been reached? | show 🗑
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| What should you do after the recovery process? | show 🗑
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| When evacuating a large vacuum hose could do what? | show 🗑
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| While evacuating you notice a lot of moisture present, what should you do? | show 🗑
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| show | It should remove moisture from the refrigerant.
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| show | Regulation for transporting explosives and other dangerous articles.
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| show | DOT approved
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| show | Leak check the device, check and change oil if needed, know the refrigeration systems refrigerant, assure the vacuum pump is capable of pulling 500 microns, and check service valve positions.
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| show | If the system is in a deep vacuum or motor windings may overheat and be damaged.
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| What can non-condensibles cause? | show 🗑
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| If you have to use dry nitrogen, what must it go through? | show 🗑
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| What should all refrigeration systems be equipped with? | show 🗑
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| show | Replace it
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| How do you install pressure relief device? | show 🗑
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| show | An alcohol spray.
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