Fuels and Combustion For maximum discharge through a chimney, its height should be Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres Equal to the height of the hot gas column producing draught Infinitely long 200 meters More than 105.7 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Porosity Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value Porosity Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke Soft coke No by-products Very low calorific value coke oven gas Metallurgical coke Soft coke No by-products Very low calorific value coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 20 35 80 55 20 35 80 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Bituminous coal containing 20% ash and 25% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Porosity Abradability Reactivity Agglutinating (binding) properties Porosity Abradability Reactivity Agglutinating (binding) properties ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS