$1.$ What is the function of boiler feed water in a steam generation system?a$)$ To cool down the boilerb$)$ To provide a medium for heat transferc$)$ To generate steamd$)$ To regulate the pressure inside the boilerWhich of the following is NOT a desirable characteristic of boiler feed water?a$)$ High pHb$)$ Low dissolved oxygen contentc$)$ Low alkalinityd$)$ Low conductivityWhat is the purpose of internal treatment methods in boiler water treatment?a$)$ To remove suspended solidsb$)$ To prevent scale formationc$)$ To increase the pH of the waterd$)$ To reduce the dissolved oxygen contentWhich of the following chemicals is commonly used for internal boiler water treatment?a$)$ Sodium hydroxideb$)$ Hydrochloric acidc$)$ Sodium bicarbonated$)$ Sodium sulfite