Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Recirculating Sidefired Covered Underfired Recirculating Sidefired Covered Underfired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Cupola Reheating furnace Open hearth furnace Glass tank furnace Cupola Reheating furnace Open hearth furnace Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air None of these No O₂ in flue gas CO in flue gas High excess air None of these No O₂ in flue gas CO in flue gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain an oxidising atmosphere in a furnace, it should have More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air More of excess air More of CO₂ in flue gas More of CO in flue gas Less of excess air ANSWER DOWNLOAD EXAMIANS APP
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