Fuels and Combustion A coal that softens and fuses on heating is Non-caking Carbonised Caking Classified Non-caking Carbonised Caking Classified ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Coke oven gas Water gas Producer gas Blast furnace gas Coke oven gas Water gas Producer gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Less moisture content 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss Dry gas/stack gas loss All of these Incomplete combustion Moisture loss Dry gas/stack gas loss All of these Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the C/H ratio of the fuel increases, the amount of CO₂ formed on combustion __________ for the same percentage of excess air. May increase or decrease depending on the type of fuel Remains same Increases Decreases May increase or decrease depending on the type of fuel Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Low amount/current of combustion air High amount/current of combustion air Very little excess air Preheated secondary air Low amount/current of combustion air High amount/current of combustion air Very little excess air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP