Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure Net calorific value at constant volume Lower calorific value at constant pressure Higher calorific value at constant volume Gross calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The difference between total carbon and fixed carbon of coal will be minimum in case of High temperature coke (V.M < 0.5%) Anthracite Bituminous coal Lignite High temperature coke (V.M < 0.5%) Anthracite Bituminous coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame Is less liable to spontaneous combustion on storage None of these Requires smaller combustion space and less secondary air Is more difficult to ignite and produces a shorter flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of charcoal in high temperature carbonisation of wood is about __________ percent. 75 50 10 25 75 50 10 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Both A & B Mature Neither A nor B Young Both A & B Mature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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