Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 40 70 15 85 40 70 15 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 250 180 80 130 250 180 80 130 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Combustion air not enriched with oxygen Stoichiometric combustion air Non-preheated combustion air Recupterators Combustion air not enriched with oxygen Stoichiometric combustion air Non-preheated combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas More of excess air Less of excess air More of CO₂ in flue gas More of CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels Imperfect mixing of fuel & air and infiltration of air Use of excessive positive draft in the furnace Use of non-preheated combustion air Use of pulverised solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ is an indirectly heated furnace. Reheating furnace Soaking pit Open hearth furnace Muffle furnace Reheating furnace Soaking pit Open hearth furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP