Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °C 200 °F 200 °K 200 °R 200 °C 200 °F 200 °K 200 °R ANSWER DOWNLOAD EXAMIANS APP
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 Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Both A & B Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Neither A nor B Both A & B 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 Low temperature carbonisation of coal produces No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal None of these Increases the time of carbonisation Produces larger size coke May damage its walls due to abrupt excessive swelling of coal None of these Increases the time of carbonisation Produces larger size coke ANSWER DOWNLOAD EXAMIANS APP
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