190. The size of a boiler drum in pulverised fuel fired boiler,as its size and capacity, (steam pressure and flow ratings) increase
191. Feed water conditioning in thermal power plants in. done to
192. The basic job of feed water treatment in boilers is to overcome the problem of
193. Scale is formed on heat transfer surfaces when
194. Hardness of water refers to
195. Blow down from boiler drum is carried with a view to
196. Internal freatment of boiler _water is the feeding of chemicals directly to the boiler. It is done in order to