1. Discuss the objectives and functions of a maintenance system. Explain how the total maintenance cost is affected by the level of preventive maintenance.

2. What do you mean by continuous improvement? Explain the similarities and dissimilarities between Deming’s PDCA Cycle and CAPD Cycle.

3. Write a short note on the following:

Reliability centred Maintenance (RCM)

Failure Mode and Effect Analysis (FMEA)

Predictive Maintenance

Maintenance Audit

4. What is a ‘bath-tub’ curve? Briefly describe the three regions into which life cycle of a unit or device can be subdivided.

5. What parameters are used for machine vibration monitoring? Mention the conditions under which they are used for machine condition monitoring.