Fuels and Combustion Lignite is A coking coal Can be used for gasification and steam generation A high rank coal A black banded coal which burns with a non-smoky yellowish flame A coking coal Can be used for gasification and steam generation A high rank coal A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Ash Inherent mineral matter Volatile matter Free impurities Ash Inherent mineral matter Volatile matter Free impurities 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. Unsaturated hydrocarbons Methane Hydrogen All of these Unsaturated hydrocarbons Methane Hydrogen All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Kopper-Totzek process Lurgi process Winkler process All of these Kopper-Totzek process Lurgi process Winkler process All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Coke Bituminous coal Semi-bituminous coal Aanthracite Coke Bituminous coal Semi-bituminous coal Aanthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 11.4 0.87 2.4 1.75 11.4 0.87 2.4 1.75 ANSWER DOWNLOAD EXAMIANS APP
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