Fuels and Combustion High excess air in combustion of fuels results in None of these Incomplete combustion Increased fuel consumption Smoky flame None of these Incomplete combustion Increased fuel consumption Smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High fusion point of its ash High bulk density Lower ash content Less moisture content High fusion point of its ash High bulk density Lower ash content Less moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Percentage of nitrogen in blast furnace gas may be around 5 80 55 25 5 80 55 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 35 to 45 55 to 75 75 15 to 25 35 to 45 55 to 75 75 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1100 1250 1400 1350 1100 1250 1400 1350 ANSWER DOWNLOAD EXAMIANS APP