0 0 votes Which one of the following is a CFC refrigerant? $R744$ $R290$ $R502$ $R718$ Materials, Manufacturing and Industrial Engineering gateme-2014-set1 materials-manufacturing-and-industrial-engineering applications refrigeration-and-air-conditioning + – ♦Arjun 262 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.