Hello, I would appreciate help on the following questions as I want to make sure my answers are correct. 1. The transpor...

Question

Question

Hello, I would appreciate help on the following questions as I want to make sure my answers are correct.

1. The transportation industry is moving to new refrigerants that have a lower:

(a) Cooling diameter (b) Compression factor (c) Global warming potential- GWP (d) All of the above

2. SAE standard J2210 was superseded by:

(a) SAE J2788 (b) 541578 Rev A (C) SAE J2810 (d) Section 609

3. PAG lubricant:

(a) is for A/C systems that use CFC-12 (b) is hygroscopic (absorbs moisture) (d) Must be regularly purged from A/C service equipment hoses

Answer 1

Answer #1

1. (d)

2. SAE J2788 superseded the requirements of SAE J2210

So, ans of 2 is (a)

3. (b)

PAG lubricant is hygroscopic oil used A/C compressor.

Answer 2

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