


(ii) continued..
Preventive cost should be carried out in week 4 & week 5 because breakdown cost in week 4 & week 5 is more than preventive cost.

For a compressor the probability of failure occurring during a given week is given in Table Q4. (i) Calculate the Annual Breakdown Maintenance Costs (where no Preventive Maintenance is carried out). The costs are 300 OMR to repair the compressor, every ti
Question 5: (a) For a compressor the probability of failure occurring during a given week is given in Table Q5(a) (i) Calculate the Annual Breakdown Maintenance Costs (where no Preventive Maintenance is carried out). The costs are 300 OMR to repair the compressor, every time it fails. (ii) Preventive maintenance costs 60 OMR for each service. Calculate if Preventive Maintenance is cheaper than Breakdown Maintenance, and if so how often Preventive Maintenance should b carried out. There are 48 working...