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 Correct amount of air for combustion Too much air for combustion Less air for combustion Pulverised coal in boilers Correct amount of air for combustion Too much air for combustion Less air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter content (M) and ash content (A) in coal are approximately related as M = 1.1A M = A M = 2A M = 1.5A M = 1.1A M = A M = 2A M = 1.5A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to 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 Dry the coal Transport the coal to the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 2.5 14.5 10.5 7.5 2.5 14.5 10.5 7.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Either more or less; depends on the type of fuel More than Equal to Less than Either more or less; depends on the type of fuel More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
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