Camshaft: A shaft having a number of cams at appropriate angular positions for operating the valves at timings relative to the piston movement and in a sequence as per the firing order. It rotates at half the crankshaft speed. 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 PostBypass filter Next PostCamshaft position sensor (CMP)