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 The rate of scaling of furnace stock depends upon the All of these Time Temperature Nature of atmosphere All of these Time Temperature Nature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln Open hearth furnace By-product coke oven Sintering furnace Calcination kiln Open hearth furnace By-product coke oven Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as Weight heated/hr/furnace volume Weight heated/hr Weight heated/furnace volume None of these Weight heated/hr/furnace volume Weight heated/hr Weight heated/furnace volume None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Open hearth furnace Reheating furnace Cupola Glass tank furnace Open hearth furnace Reheating furnace Cupola Glass tank furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 25-30 45-50 65-70 44119 25-30 45-50 65-70 ANSWER DOWNLOAD EXAMIANS APP
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