Furnace Technology In a muffle furnace, the muffle All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock All of these Assists in temperature equalisation in the charge Retards the heat transfer Permits the use of controlled atmosphere for the protection of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Better combustion Higher calorific value Smokeless burning Less erosion on furnace wall Better combustion Higher calorific value Smokeless burning Less erosion on furnace wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the Ostwald chart Sankey diagram Cox chart None of these Ostwald chart Sankey diagram Cox chart None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by Can not be predicted Convection Radiation Conduction Can not be predicted Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B More Less Same Either more or less; depends on the flue gas density Answer: Option B More Less Same ANSWER DOWNLOAD EXAMIANS APP
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