Common rail injection: A diesel engine fuel supply system in which a single pump delivers fuel at very high pressure, say, 1400 bar to a common reservoir from which supply goes to various injectors. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostCombustion chamber Next PostCompression ratio