Fuels and Combustion Which of the following gaseous fuels has the lowest calorific value? Refinery gas Gobar gas Blast furnace gas Converter gas Refinery gas Gobar gas Blast furnace gas Converter gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not None of these Used in blast furnaces Produced by low temperature carbonisation of coal A domestic fuel None of these Used in blast furnaces Produced by low temperature carbonisation of coal A domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air All of these Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash Very low ash content (8-10%) High caking index High volatile matter content Low fusion point of ash Very low ash content (8-10%) High caking index High volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Incomplete combustion of a fuel is characterised by the high __________ in the flue gas. Temperature Smoke Carbon monoxide Oxygen Temperature Smoke Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point Low calorific value Low octane number High cost & availability Low flash point Low calorific value Low octane number High cost & availability ANSWER DOWNLOAD EXAMIANS APP
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