TYPE II
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 1. When first inspecting hermetic system known to be leaking, you should look for, | show 🗑
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| 2. Which part of a belt driven non-hermetic compressor is most likely to leak if the compressor is not been used for several months, | show 🗑
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| 3. Starting in 2019, what rate triggers the EPA requirement that the refrigement containing 50 pounds or more of R-22 be repaired, | show 🗑
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| show | C. Within 10 days
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| 5. An initial leak verification test failed after repairing a leak in a rack refrigeration system for a supermarket using an HCFC refrigerant . What would be the next step, | show 🗑
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| show | C. Liquid phase
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| 7. Where must you connect the hose in order to recover liquid refrigerant, | show 🗑
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| show | B. oil
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| 9. After refrigerant liquid has been recovered from the appliance, any remaining vapor, | show 🗑
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| 10. How can speed up the removal of the refrigerant charge from a system, | show 🗑
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| 11. Why could a recycling or recovery machine that uses a hermetic compressor overheat when drawing deep vaccum, | show 🗑
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| 12. Your recovery/recycling machine has R-22 refrigerant in it. you now have to recover refrigerant from an R-410A unit. What must be done before recovery, | show 🗑
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| 13. Which of the following statements about recycling and recovery equipment is false? | show 🗑
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| show | C. Evacuate the isolated section of the system to 0 psig, and if system pressure does not rise after a few mins, remove the compressor
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| show | B. Wait for at least a few mins to see if the system pressure rises.
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| show | C. 10 inches of Hg vacuum
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| show | C. Leaks in the appliance make recovery to the prescribed level unattainable.
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| 18. Which of the following repairs would always be consider"major" under EPA regulations, | show 🗑
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| 19. When is it against EPA regulations to use system-dependent recovery equipment, | show 🗑
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| 20. What is the state of the refrigerant leaving the receiver in a refrigeration system, | show 🗑
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| 21. Identify the best method to charge a system that has both an air-cooled condenser and evaporator with a name plate charge of 80 pounds. | show 🗑
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| 22. How would you remove moisture from refrigerant in a system. | show 🗑
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| show | D. R717
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| show | A. When the discharge service valve is closed.
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| 25. It is best practice to use dry nitrogen to break the vacuum when dehydrating by the triple evacuation method, However, | show 🗑
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
RonnyTing