(Solved)(b) The service department of a manufacturing firm receives
(b) The service department of a manufacturing firm receives faulty products from customers. These are tested by technicians, repaired and returned to the customer. Assume that each repair takes the same length of time (16 minutes). The service department operates for 48 weeks per year, with each technician working 40 hours per week. If the firm expects to receive 20,000 faulty products from customers in the next year, how many repair technicians are required in the service department to meet this demand? (5 marks) (c) In relation to production sequencing, explain the Critical Ratio rule and Johnson’s rule (6 marks) (d) The following table provides the details of six customer orders in a manufacturing operation. Each order is required to go through two stages in the process (Stage 1 first, then Stage 2). Using Johnson’s rule, determine the sequence in which the orders should be processed. Clearly explain each step in your answer. Stage 1 (mins 65 35 120 180 140 50 Stage 2 (mins 120 85 90 95 80 45 Customer Order (6 marks)
Answer to (b) The service department of a manufacturing firm receives. . .