QUESTION #4 - MAINTENANCE AND RELIABILITY 25 MARKS .) The Bureau of Standards conducted high pressure test on forty (40)

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Question 4 Maintenance And Reliability 25 Marks The Bureau Of Standards Conducted High Pressure Test On Forty 40 1 (163.29 KiB) Viewed 18 times

QUESTION #4 - MAINTENANCE AND RELIABILITY 25 MARKS .) The Bureau of Standards conducted high pressure test on forty (40) water meters, each were tested for 50 hours. One failed at 20 hours; another failed at 30 hours and all others completed the test. Calculate FR(%), FR(N), and MTBF. (6 marks) b) The common area photocopy machine in SOBA's main office has been down several times over the past few months, as shown below. Number of breakdown Monthly frequency Each time the system is down. SOBA loses an average of $3000 in time and service expenses. SOBA is considering signing a contract for preventive maintenance. With preventive maintenance, the system would be down on average only 0.6 per month. The monthly cost of preventive maintenance would be $2500 a month. Which is cheaper, breakdown or preventive maintenance Show calculations justify (12 marks)