Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Decreases May increase or decrease, depends on combustibles Increases Remains constant Decreases May increase or decrease, depends on combustibles Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of hydrogen in coke oven gas may be around 60 10 25 45 60 10 25 45 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Remains same Increases Decreases May increase or decrease depending on the type of fuel Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point High cost & availability Low calorific value Low octane number Low flash point High cost & availability Low calorific value Low octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Insitu theory and drift theory are related to the Variation of coal quality with depth Origin of petroleum oil Coalification Origin of coal Variation of coal quality with depth Origin of petroleum oil Coalification Origin of coal ANSWER DOWNLOAD EXAMIANS APP
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