Furnace Technology The function of an economiser in a boiler is to preheat the Furnace oil Combustion air Pulverised coal Feedwater Furnace oil Combustion air Pulverised coal Feedwater ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology A refractory wall separating the stock and the source of heat is provided in a Updraft kiln None of these Continuous furnace Muffle furnace Updraft kiln None of these Continuous furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as Weight heated/furnace volume Weight heated/hr Weight heated/hr/furnace volume None of these Weight heated/furnace volume Weight heated/hr Weight heated/hr/furnace volume None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) All of these Air supplied and furnace temperature Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Burner design (thoroughness of mixing versus stratification) All of these Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Low stack loss indicates the Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion Efficient use of fuel Inefficient use of fuel Oxygen enrichment of combustion air Use of sub-stoichiometric air for combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 20 80 60 40 20 80 60 40 ANSWER DOWNLOAD EXAMIANS APP