Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Both B & C Decreases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Both B & C Decreases the dew point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 50 1000 5000 10000 50 1000 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation A coking coal A high rank coal A black banded coal which burns with a non-smoky yellowish flame Can be used for gasification and steam generation A coking coal A high rank coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Brittleness of steel made by using it Decrease in its calorific value Increase in its strength None of these Brittleness of steel made by using it Decrease in its calorific value Increase in its strength None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Bituminous coal Fuel oil Pitch Blast furnace gas Bituminous coal Fuel oil Pitch Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens ANSWER DOWNLOAD EXAMIANS APP
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