Synchromesh gear box: A gear box in which the speeds of the gears which are to be engaged, are first equalized by means of frictional contact. This facilitates smooth engagement. All the present day gear boxes are of the synchromesh type. 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 PostSuspension system Next PostTachometer