Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 15, 000 5000 25, 000 10, 000 15, 000 5000 25, 000 10, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volatile matter content in coking coal may be about __________ percent. 46 1 22 7 46 1 22 7 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moth balls (insecticides) As moisture proof coating on fibres As a fuel in furnaces For making electrodes As moth balls (insecticides) As moisture proof coating on fibres As a fuel in furnaces For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Is non-coking Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of these Is non-coking Has a high volatile matter content and burns with a luminous smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Dry the coal Reduce primary air requirement Ensure efficient burning of coal around the burner Transport the coal to the burner Dry the coal Reduce primary air requirement Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value Brittleness of steel made by using it Increase in its strength None of these Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
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