logo-home

Brilliantstudies

On this page, you find all documents, package deals, and flashcards offered by seller brilliantstudies.

Tutor brilliantstudies helps you study by writing summaries of study material

brilliantstudies helps with

Show more

Community

  • Followers
  • Following

3 Reviews received

1 items

HVAC: EPA 608 Certification Study Guide Questions With Verified Solutions| ALREADY PASSED. UPDATED

(0)
$13.99
0x  sold

HVAC: EPA 608 Certification Study Guide Questions With Verified Solutions| ALREADY PASSED. UPDATED Are there drop-in replacements for R-12 systems? Why or why not? - ANSWER No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ANSWER Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? - ANSWER Alkylbenzene lubricant Wh...

i x
  • Exam (elaborations)
  •  • 17 pages • 
  • by brilliantstudies • 
  • uploaded  26-01-2024
Quick View
i x