Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Liquefied petroleum gas (LPG) Sewage gas Coal bed methane (CBM) Natural gas Liquefied petroleum gas (LPG) Sewage gas Coal bed methane (CBM) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Bitumen Coal tar Molasses None of these Bitumen Coal tar Molasses None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main function of primary air in pulverised coal fired burner is to Have proper combustion by supplying it around the burner Dry and transport the coal Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ Have proper combustion by supplying it around the burner Dry and transport the coal Burn CO to CO₂ Preheat the tertiary air used for complete combustion of CO to CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of soft coke is as __________ fuel. None of these Domestic Foundary Blastfurnace None of these Domestic Foundary Blastfurnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The function of secondary combustion air is to Burn the lumpy coal Pneumatically convey the pulverised coal None of these Completely burn the volatile matter Burn the lumpy coal Pneumatically convey the pulverised coal None of these Completely burn the volatile matter ANSWER DOWNLOAD EXAMIANS APP
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