Question

2 Considering the performance standards of an asset. disouss the difference b desired performance of an asset and it's built in capacity. Give a practical exampi different from the ones given in your lext book between the QUESTION 2 Thea des the failures which are not age related co(81 Bired performance of any asset wil deteriorate with age, due to several factors. Discuss QUESTIONS Mean time between falures (MTBF) is the predicted elapsed time between snherent failures ofa mechanical or electronic system asset failure is the random tailure which is difficult to predict Disussthe potential faire ( curve and the Weibull distribution. Give graphic example of the P-F curves and explain each of during normal system operation. One of the big problems of the probability density function terms [10) QUESTION 4 To formulate a maintenance strategy three key points must be determined namely e at what level within the plant the maintenance is to be performed e what structure is needed to support the maintenance and what resources are needed. 41 Discuss the maintenance strategy of a plant and draw a maintenance policy decision 1121 chart. 4.2 Draw and discuss a typical maintenanoe resources chart 110] QUESTIONS When planning a project there are several key points that must be considered. A bar chart based on the work breakdown structure (WBS) of a plant is a very clear means of presenting a programme of work. Draw a bar chart and a resource chart denived from the bar chart showing all salient values [14) QUESTION 6 Table 1 shows the activities for a certain project. Due to the complexity of activities the project planners found it difficult to estimate the duration of individual activties. It was decided to use a PERT diagram to be able to provide the beneficiary with a most optimistic duration, a most pessimistie duration and the most likely duration for that activity. The activities duration is measured in weeks Table 1 Activityamb Precursor activity Link type 15

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Answer 1

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