Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 6500 500 20000 1500 6500 500 20000 1500 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 Decreases Increases Remains same May increase or decrease depending on the type of fuel Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Vitrain Fussain Durain Clarain Vitrain Fussain Durain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Blast furnace gas Pitch Fuel oil Bituminous coal Blast furnace gas Pitch Fuel oil Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO H₂ CH₄ CO₂ CO H₂ CH₄ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Low fusion point of ash (< 1100° C) Use of thick fire bed All of these Use of preheated primary air Low fusion point of ash (< 1100° C) Use of thick fire bed All of these Use of preheated primary air ANSWER DOWNLOAD EXAMIANS APP