$10$B$.7$ The followirg mutuple ehole questons wre besed on Chapter $10$ 'Malmtenawee Management" $($MrTs$-3$: $203-22-6)$ of the lextbook.

$10\mathrm{.}7\mathrm{.}1$ Read the foltowing three statements:

a$)$ Condition$-$based maintenance is the mairtenance pertormed after an them has talled.

b$)$ One of the main objectives of maintenance is to maximise the arraliability of physoical assets.

c$)$ Reliability$-$centred maintenance was developed to ensure safe ard reliable seroplanesWhich of the above statements is$/$are correct?

$[1]$ b and $c$

$[2]$ a and $c$

$[3]$ a and $b$

$[4]b$

$[5]$ None of the above options $,$ or $4$