Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the Damper Variation in the pitch of fan blades All of these Speed of the fan Damper Variation in the pitch of fan blades All of these Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as Weight heated/hr Weight heated/hr/furnace volume None of these Weight heated/furnace volume Weight heated/hr Weight heated/hr/furnace volume None of these Weight heated/furnace volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air Increasing the draft in the furnace Oxygen enrichment of combustion air Preheating the fuel gas Preheating the combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal All of these Accelerates the burning rate and economises on fuel consumption Permits the use of high ash content coal Permits the use of low fusion point ash coal 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 All of these Thick firebed and preheated primary air Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Thick firebed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Ash disposal problem Higher power consumption in its transportation Excessive fly ash discharge from the stack Erosion of induced draft fan blades Ash disposal problem Higher power consumption in its transportation Excessive fly ash discharge from the stack Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP
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