Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Vitrain Clarain Fussain Durain Vitrain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always < 1 Unpredictable 1 > 1 < 1 Unpredictable 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High sulphur None of these Low fusion point of ash High ash content High sulphur None of these Low fusion point of ash High ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Steam is intermittently admitted into the fuel bed during the production of producer gas to Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate Minimise the chances of clinker formation Convert CO to CO₂ Increase the gas production rate Increase the combustion rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Sulphur Hydrogen Carbon Oxygen Sulphur Hydrogen Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
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