Log In


Engine_2014 : General Subjects - 2678/3524
Get a hint
« Previous Question
R-134a is often the replacement for which older type of refrigerant?
A) R-12
B) R-22
C) R-11
D) R-123
loading answer...
Comments
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Options
Clear Score