Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density High fusion point of its ash Less moisture content Lower ash content High bulk density High fusion point of its ash Less moisture content Lower ash content 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. All of these Methane Hydrogen Unsaturated hydrocarbons All of these Methane Hydrogen Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Smoking tendency on burning Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Ignition temperature Smoking tendency on burning Chance of catching fire during storage in open space Coke oven gas yield on carbonisation Ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 35 10 20 5 35 10 20 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO CO₂ CH₄ H₂ CO CO₂ CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air Preheated secondary air Low amount/current of combustion air Very little excess air High amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
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