Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ atmosphere is maintained inside an iron blast furnace. Oxidising Reducing Inert Decarburising Oxidising Reducing Inert Decarburising ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Less erosion on furnace wall Smokeless burning Better combustion Higher calorific value Less erosion on furnace wall Smokeless burning Better combustion Higher calorific value 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 combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these Preheating the combustion air Preheating the fuel gas Oxygen enrichment of combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Neither A nor B Hood annealing furnace Muffle furnace Both A and B Neither A nor B Hood annealing furnace Muffle furnace Both A and B 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 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 ANSWER DOWNLOAD EXAMIANS APP
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