Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CO None of these H₂ CH₄ CO None of these H₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Reduction Neumann reversal Shift conversion Boudouard Reduction Neumann reversal Shift conversion Boudouard ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Phenol & naphthalene Benzol & pitch None of these Anthracene & creosote Phenol & naphthalene Benzol & pitch None of these Anthracene & creosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol All of these Insecticides (e.g. moth balls) Unsaturated polyesters Drug intermediates e.g. β-naphthol 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? Ash disposal problem Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure Use of pure oxygen for combustion instead of air All of these Increase in temperature (i.e. preheating) Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
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