(40 pts.) 3. A belt drive couples a 10 hp motor to a processing machine. The motor is rotating at 690 rpm and the processing machine must operate as close as possible to 300 rpm. Select: a. an appropriate belt size b. commercially available sheaves c. and a belt for this application. Note: Tables 11.1, 11.2 and Figure 11.4 are appended at the end of the Examination. (Hint: It is suggested you look for the driving sheave between pitch diameters of 2.6 and 3.3.) D