(Solved): Question 2: A commercial installation's low-voltage network configuration is shown in the figure be ...

Question 2: A commercial installation's low-voltage network configuration is shown in the figure below. Note: switchgear bus is assumed to be ideal. $?$, total failure rate of circuit breaker includes the failure rate 1 "failed while opening." Calculate the following reliability indices for the computer load: a. $?$-failures per year. b. $?$-annual duration of interruptions. c. $\mathrm{r}$-average duration of interruptions.