EPA 608 practice test (Type 3 Exam)-3
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Question 1 of 10
1. Question
1 pointsHow much of vapor contains in a 350 ton R-11 chillier after all the liquid has been removed?
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Question 2 of 10
2. Question
1 pointsBy using a large vacuum pumps can cause trapped water freezing, what a technician can do to prevent this?
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Question 3 of 10
3. Question
1 pointsWhat should be done for low pressure refrigeration system when the system is idle?
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Question 4 of 10
4. Question
1 pointsUnder which of the following condition it is better start charging using liquid refrigerant?
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Question 5 of 10
5. Question
1 pointsThe purpose of purge unit in the low pressure refrigeration system :
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Question 6 of 10
6. Question
1 pointsWhich of the following device will help in evacuating vapor fast from the refrigeration system?
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Question 7 of 10
7. Question
1 pointsIn which part of low pressure refrigeration system the leaks may occur?
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Question 8 of 10
8. Question
1 pointsWhat damage causes to the low pressure refrigeration system if the pressure increases more than 10 psig?
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Question 9 of 10
9. Question
1 pointsFor heat removal in water cooled condensing system, where does the water come from?
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Question 10 of 10
10. Question
1 pointsIn low pressure system whether the refrigerant can go out of the system?
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The pressure in the refrigeration system is lower than the atmosphere so there is change outside air coming in to the refrigeration system.