Breadcrumb Home Apprenticeship Program APR 210 APR 210: Proportional Hydraulics Download as PDF Program Apprenticeship Program Credits 3 Lab Hrs per Wk 0 Lecture Hrs per Wk 2 Lec/Lab Hrs per Wk 2 Examines the industrial applications of proportional hydraulics theory, application, troubleshooting, and repair of these advanced hydraulic applications. Additional supply fee may be required. Career and Technical Education Course