Question:

(a) Briefly discuss the following Maintenance practices and list some of the techniques used to implement these practices in the work environment

(i) Predictive Maintenance
(ii) Proactive Maintenance

(b) Reports from industry reveal that the preparation of equipment for maintenance involves risks and are major causes of serious accidents due to the release of harmful substances. Sometimes procedures are not clear while at other times procedures are ignored. Briefly elaborate on the different steps the maintenance team must undertake regarding preparation of equipment for maintenance including the use of permits-to-work document.

(c) The Bath-Tub curve is an important tool for understanding the reliability of engineering components in many different applications. It is viewed as a hazard function that describes the variation of failure rate of components during their life time. Explain the phases of the Bath-Tub curve.