Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal None of these Produces larger size coke Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal None of these Produces larger size coke Increases the time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Coke oven gas Blast furnace gas Water gas Natural gas Coke oven gas Blast furnace gas Water gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO Both O₂ and CO₂ Only O₂ All of these Both O₂ and CO Both O₂ and CO₂ Only O₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Pitch Line Tar Molasses Pitch Line Tar Molasses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a product of tar distillation? Phenol & naphthalene None of these Benzol & pitch Anthracene & creosote Phenol & naphthalene None of these Benzol & pitch Anthracene & creosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ process is meant for direct hydrogenation of coal to produce liquid fuel. None of these Bergius Lurgi Fischer-Tropsch None of these Bergius Lurgi Fischer-Tropsch ANSWER DOWNLOAD EXAMIANS APP