Fuels and Combustion Bright coal Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain Contains more than 90% durain Is non-coking Contains mainly vitrain & clarain and is generally coking Contains more than 90% fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less Tar yield is less but free carbon in tar is more Coke oven gas yield is more All of these Calorific value of coke oven gas is less 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. Decreases Increases May increase or decrease depending on the type of fuel Remains same Decreases Increases May increase or decrease depending on the type of fuel Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Low production of CO₂ Both B and C High production of CO High production of CO₂ Low production of CO₂ Both B and C High production of CO High production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Power alcohol as compared to straight run gasoline has lower Calorific value Octane number Specific gravity Viscosity Calorific value Octane number Specific gravity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Increases Decreases Remains same Either A or B, depends on other factors Increases Decreases Remains same Either A or B, depends on other factors ANSWER DOWNLOAD EXAMIANS APP
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