Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. None of these Resistance Low frequency induction Arc None of these Resistance Low frequency induction Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 5 20 60 40 5 20 60 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Recuperative Both A and B Neither A nor B Regenerative Recuperative Both A and B Neither A nor B Regenerative ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Pot Resistance Induction Arc Pot Resistance Induction Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature All of these Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature All of these Thick firebed and preheated primary air 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 CO in flue gas No O₂ in flue gas High excess air None of these CO in flue gas No O₂ in flue gas ANSWER DOWNLOAD EXAMIANS APP
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