HARARE INSTITUTE OF TECHNOLOGY SCHOOL OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF CHEMICAL PROCESS AND SYSTEMS ENGINEERING ECP 210 ELEMENTS OF MACHINE DESIGN Assignment 4: Due Date 15/01/2021 (Individual or in groups max 5) Design a V Belt drive for the following data. Drive: AC motor, operating speed is 1440rpm and operates for over 10hrs. The equipment driven is compressor, which runs at 900rpm and required power transmission is 20kW and speed V=25m/s, centre distance C=1500cm. Belt length is 4394mm. Given that CRS=1.2, CVL=1.04 and CVW=0.98. Sketch 3 different types of thread profiles and outline advantages and practical applicability of each. (25)