Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Less Data insufficient; can't be predicted More Same Less Data insufficient; can't be predicted More Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Less erosion on furnace walls Better combustion Smokeless burning High calorific value Less erosion on furnace walls Better combustion Smokeless burning High calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. In between 37 & 71% >71% < 37% None of these In between 37 & 71% >71% < 37% None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The advantage of firing pulverised coal in the furnace lies in the fact, that it Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion Permits the use of low fusion point ash coal All of these Permits the use of high ash content coal Accelerates the burning rate and economises on fuel combustion Permits the use of low fusion point ash coal All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Air None of these Oxygen enriched air Oxygen Air None of these Oxygen enriched air Oxygen ANSWER DOWNLOAD EXAMIANS APP
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