Fuels and Combustion Low temperature oxidation of stored coal results in the Increase in its oxygen content Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these Increase in its oxygen content Decrease in its carbon & hydrogen content Decrease in its caking power & calorific value All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Pulverised coal in boilers Less air for combustion Too much air for combustion Correct amount of air for combustion Pulverised coal in boilers Less air for combustion Too much air for combustion Correct amount of air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Advantages of fluidised bed combustion are Reduced NOx formation in flue gas High heat transfer rate Lower furnace operating temperature All of these Reduced NOx formation in flue gas High heat transfer rate Lower furnace operating temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest flame speed? CH₄ H₂ CO C₂H₆ CH₄ H₂ CO C₂H₆ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 400-500 900-1000 1700-1800 1400-1500 400-500 900-1000 1700-1800 1400-1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal All of these 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 Is non-coking All of these 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 Is non-coking ANSWER DOWNLOAD EXAMIANS APP
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