Question $1$

$1\mathrm{.}1$ Briefly explain the difference between maintenance and maintenance concept.$(4)$

$1\mathrm{.}2$ Describe in details a system approach in maintenance engineering.

$1\mathrm{.}2$ Trip is a welding company situated in Limpopo. The company operate $24$ hours a day for five days in a week. The company is not operating on weekends. In one week of February $2023,$ the welding machine failed and was fixed after two days. The machine start to function again. Use this one week machine history to calculate the availability of this equipment in that one week.

$1\mathrm{.}3$ Define the most important objective of the maintenance function.

$1\mathrm{.}4$ Briefly explain Field level in maintenance engineering.

$(3)$

$[20]$

Question $2$

$2\mathrm{.}1$ Draw and label the block diagram of a general model of a maintenance system.

$2\mathrm{.}2$ Briefly describe the Planned Preventive Maintenance.

$2\mathrm{.}3$ Provide $5$ maintenance policies classification that can be used in a plant or facility.

Question $3$

$3\mathrm{.}1$ As the CEO of the maintenance company what criteria would you use to decide the structure of wages and salaries of your employees?

$3\mathrm{.}2$ Provide the $6$ main objectives of maintenance evaluation.

$3\mathrm{.}3$ Give the $3$ main benefits of maintenance evaluation.

$(6)$

$[15]$

Total Marks $[50]$