Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Heat release rate (thus requiring smaller combustion chamber) All of these Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) Heat release rate (thus requiring smaller combustion chamber) All of these Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During the carbonisation of coal Hard semi-coke starts shrinking at 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C Hard semi-coke starts shrinking at 600°C All of these Evolution of H₂ and formation of methane and aromatics occur at > 700°C All tar is evolved at < 600°C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal is accelerated by the All of these Absence of porous or friable particles Storage in large heaps Storage in compressed piles All of these Absence of porous or friable particles Storage in large heaps Storage in compressed piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the maximum coal producing state in India? West Bengal Orissa Jharkhand Assam West Bengal Orissa Jharkhand Assam ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of tar is about __________ Kcal/kg. 12000 8800 5000 16000 12000 8800 5000 16000 ANSWER DOWNLOAD EXAMIANS APP
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