Figure $10$: Temperature Process

$5.($CLOs $(1\mathrm{.}1,1\mathrm{.}3))$ Given the system in figure $(10)$ Answer the following:

$($a$)(4$ points $)$ What is the set$-$point of the system? show the output of each block?

$($b$)(1\mathrm{.}5$ points $)$ What is Control technique used here? What are the minimum value of the standard signal of transducer output?