F Gas Exam/ Questions with 100% Correct Answers.Practice questions for this set Learn7 / 1Study with Learn 0.05 Choose matching term 1The ODP of the refrigerant R22 is? 2 What refrigerant is covered by the requirements of EC Regulations
517/2014?
3 What may cause the system to trip out on a High Pressure (HP) switch?4 Which one of the following effects would result in an increase in system efficiency?Don't know? 1 / 2
Terms in this set (59) The condition of the refrigerant entering the expansion device is?High pressure sub cooled liquid The indications of a refrigerant leak on a refrigeration system is most likely if the following has been observed?The evaporator superheat is high with bubbles in the liquid line sight glass The EC F Gas Regulations 517/2014 requires refrigeration systems containing > 50 and < 500 of an HFC refrigerant without an automatic leak detector to be leak tested?
- monthly
- / 2
Which of the following TEV superheat settings is likely to cause refrigeration system hermetic compressor to run continuously and overheat?20K Under the F Gas Regulations when should a newly installed system be checked for refrigeration leakage?Immediately after being put into service The residual flux that is left on the outside of a brazed joint must be removed because?The flux absorbs water from the air and corrodes the pipework