Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 25 65 10 90 25 65 10 90 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it Accelerates the burning rate and economises on fuel consumption All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of low fusion point ash coal Permits the use of high ash content coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Furnace pressure in conjunction with draft in flues All of these Difference in density between hot and cold gases Change in volume during a change of temperature Furnace pressure in conjunction with draft in flues All of these Difference in density between hot and cold gases Change in volume during a change of temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Neither A nor B Hood annealing furnace Both A and B Muffle furnace Neither A nor B Hood annealing furnace Both A and B Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 650 250 850 1000 650 250 850 1000 ANSWER DOWNLOAD EXAMIANS APP
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