Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Negligibly Partially Fully Not at all Negligibly Partially Fully Not at all ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Spontaneous combustion of coal on storage results due to All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio Inadequate ventilation All of these Low temperature oxidation Storage in large heaps with small surface to volume ratio Inadequate ventilation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal Produces larger size coke None of these Increases the time of carbonisation May damage its walls due to abrupt excessive swelling of coal Produces larger size coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement Dry the coal Transport the coal to the burner Ensure efficient burning of coal around the burner Reduce primary air requirement ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires High excess air All of these Fine grinding Low preheat of air High excess air All of these Fine grinding Low preheat of air ANSWER DOWNLOAD EXAMIANS APP
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