13. Manifold gauge sets are often color coded, when this is done, the high pressure
gauge is color coded
- Red.
ANS
14. In general, blended refrigerants should be charged
ANS -
as a liquid.
15. Blended refrigerants leak from a system
ANS -
in uneven amounts due to differentvapor pressures.
16. Which of the following gases help form the earth's protective shield? -
Stratospheric Ozone
ANS
17. In a refrigerant system, the device that changes a low pressure vapor to ahigh
pressure vapor is the
ANS - compressor.
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