Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Are lighter Are less costly Have higher pressure differential between flue gas & air side Occupy more space Are lighter Are less costly Have higher pressure differential between flue gas & air side ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air All of these Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 150 250 50 100 150 250 50 100 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are less costly Are of smaller size Occupy more space All of these Are less costly Are of smaller size Occupy more space All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 750 1250 1050 350 750 1250 1050 350 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
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