Question: (b) Nabil Plastics LLC uses a plastic extrusion machine for the production of PVC pipes. The company operates for 48 weeks in a year. The

(b) Nabil Plastics LLC uses a plastic extrusion

(b) Nabil Plastics LLC uses a plastic extrusion machine for the production of PVC pipes. The company operates for 48 weeks in a year. The maintenance department of the company is currently maintaining the machine by performing preventive maintenance by doing periodic service every two weeks. Each periodic service would be costing RO 60.000. The machine is 5 years old and Table Q1(b) shows the probability of failure of the machine over the past 5 years of operation. Probability of failure during the given Week of Operation week 1 0.08 2 0.18 3 0.32 0.42 Table Q1(b) Calculate how much money would Nabil Plastics LLC need to spend each year for maintenance if the company decides to continue with the current periodic maintenance policy. (1) Estimate how much the company would have to spend on the machine annually, if they go for breakdown maintenance and each breakdown would cost RO 140.000 (i) Critically evaluate the different maintenance options the company has and recommend the best maintenance policy for the company [4] [4] [9] Total 25 Marks (b) Nabil Plastics LLC uses a plastic extrusion machine for the production of PVC pipes. The company operates for 48 weeks in a year. The maintenance department of the company is currently maintaining the machine by performing preventive maintenance by doing periodic service every two weeks. Each periodic service would be costing RO 60.000. The machine is 5 years old and Table Q1(b) shows the probability of failure of the machine over the past 5 years of operation. Probability of failure during the given Week of Operation week 1 0.08 2 0.18 3 0.32 0.42 Table Q1(b) Calculate how much money would Nabil Plastics LLC need to spend each year for maintenance if the company decides to continue with the current periodic maintenance policy. (1) Estimate how much the company would have to spend on the machine annually, if they go for breakdown maintenance and each breakdown would cost RO 140.000 (i) Critically evaluate the different maintenance options the company has and recommend the best maintenance policy for the company [4] [4] [9] Total 25 Marks

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