Fuels and Combustion A coal containing very high percentage of durain is called __________ coal. Splint Non-banded Boghead Bright Splint Non-banded Boghead Bright ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO₂, 20%CO and 10%O₂. The percent excess oxygen used is 20 12.5 10 0 20 12.5 10 0 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Oxygen Carbon Hydrogen Sulphur Oxygen Carbon Hydrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Coalification Oxidation Carbonisation Gasification Coalification Oxidation Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products Very low calorific value coke oven gas Soft coke Metallurgical coke No by-products ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value? Peat Lignite Anthracite Sub-bituminous coal Peat Lignite Anthracite Sub-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
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