Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Pulverised coal Combustion air Furnace oil Feedwater Pulverised coal Combustion air Furnace oil ANSWER DOWNLOAD EXAMIANS APP
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. Arc Low frequency induction None of these Resistance Arc Low frequency induction None of these Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? All of these Low forced draft & fuel bed temperature Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Low forced draft & fuel bed temperature Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Reducing atmosphere is maintained in a Blast furnace Calcination kiln Soaking pit L.D. converter Blast furnace Calcination kiln Soaking pit L.D. converter ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Temperature of a furnace fired with low calorific value fuel gas (i.e. lean gas) can be increased by Preheating the fuel gas All of these Preheating the combustion air Oxygen enrichment of combustion air Preheating the fuel gas All of these Preheating the combustion air Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Either of the above Sulphur penetration Oxidation/scaling Decarburising Either of the above Sulphur penetration Oxidation/scaling ANSWER DOWNLOAD EXAMIANS APP
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