Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 30-33 22-26 1-2 10-15 30-33 22-26 1-2 10-15 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Correct amount of air for combustion Less air for combustion Pulverised coal in boilers Too much air for combustion Correct amount of air for combustion Less air for combustion Pulverised coal in boilers ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of MgCO₃ & NaCl MgO & Na₂CO₃ BaSO₄ & NaCl MgSO₄ & BaCl₂ MgCO₃ & NaCl MgO & Na₂CO₃ BaSO₄ & NaCl MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion reaction of fuels is a/an __________ reaction. Exothermic None of these Endothermic Auto catalytic Exothermic None of these Endothermic Auto catalytic ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Hydrogen Methane Unsaturated hydrocarbons All of these Hydrogen Methane Unsaturated hydrocarbons All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack ANSWER DOWNLOAD EXAMIANS APP
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