Fuels and Combustion As time passes, the calorific value of stored coal May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas burns with a bluish flame, because of the presence of CO CH₄ S CO₂ CO CH₄ S CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher Sulphur content is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? Lurgi Process Kopper-Totzek process None of these Winkler process Lurgi Process Kopper-Totzek process None of these Winkler process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of Lignite High temperature coke (V.M < 0.5%) Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) Anthracite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these Smaller fines are stored in large quantity It is stored in tall heaps It contains large amount of volatile matter All of these ANSWER DOWNLOAD EXAMIANS APP