Fuels and Combustion Fussain All of these Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance All of these Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal Is friable, charcoal like substance ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Liquefied petroleum gas (LPG) Sewage gas Coal bed methane (CBM) Natural gas Liquefied petroleum gas (LPG) Sewage gas Coal bed methane (CBM) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 20 38 2 11 20 38 2 11 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Neither A nor B Lower hydrogen content Both A & B Higher calorific value Neither A nor B Lower hydrogen content Both A & B Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Closed space without any ventilation facility Shallow and small piles Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Closed space without any ventilation facility Shallow and small piles Large heaps with small surface to volume ratio Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of pitch from distillation of high temperature tar is around __________ percent. 25 90 10 65 25 90 10 65 ANSWER DOWNLOAD EXAMIANS APP