Fuels and Combustion Combustion of pulverised coal compared to the lumpy coal Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature Provides better control of furnace temperature All of these Facilitates combustion with lower excess air Provides higher thermal efficiency & flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Volumetric ratio of Nā to Oā in dry atmospheric air is 0.21 4.76 0.79 3.76 0.21 4.76 0.79 3.76 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High excess air in combustion of fuels results in Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is the best for burning on chain grate stoker? Coking coal Caking coal Non-caking coal Pulverised coal Coking coal Caking coal Non-caking coal Pulverised coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The fuel ratio of a coal is Both A and B Helpful in estimation of its rank Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter Both A and B Helpful in estimation of its rank Neither A nor B The ratio of its percentage of fixed carbon to that of volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
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