Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb Both O₂ and CO All of these Both O₂ and CO₂ Only O₂ Both O₂ and CO All of these Both O₂ and CO₂ Only O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content Low fusion point of ash None of these High sulphur High ash content Low fusion point of ash None of these High sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increases in carbonisation temperature Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases Methane percentage in the coke oven gas increases Tar yield increases Hydrogen percentage in the coke oven gas decreases Coke even gas yield increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 2500 35, 000 10, 000 25, 000 2500 35, 000 10, 000 25, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air Very little excess air High amount/current of combustion air Low amount/current of combustion air Preheated secondary air Very little excess air High amount/current of combustion air Low amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Neither A nor B Both A and B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter Neither A nor B Both A and B Helpful in estimation of its rank The ratio of its percentage of fixed carbon to that of volatile matter ANSWER DOWNLOAD EXAMIANS APP
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