Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 2500 25, 000 10, 000 35, 000 2500 25, 000 10, 000 35, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 0.5 10 2.5 20 0.5 10 2.5 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Turndown ratio of a gas burner is equal to the Maximum to minimum heat input ratio Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Moisture content increases Carbon content decreases Ash content increases Volatile matter content increases Moisture content increases Carbon content decreases Ash content increases Volatile matter content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air Theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Less than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. None of these Oxidation Fermentation Hydrogenation None of these Oxidation Fermentation Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
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