Fuels and Combustion Commercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal. Gasification Carbonisation None of these Hydrogenation Gasification Carbonisation None of these Hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 5400 3200 10200 1800 5400 3200 10200 1800 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is 100 More than 100 In between 0 and 100 100 More than 100 In between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The reaction, C + CO₂ ⟷ 2CO, taking place during coal gasification is called the __________ reaction. n. Neumann reversal Reduction Shift conversion Boudouard Neumann reversal Reduction Shift conversion Boudouard ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is called "blue gas"? Water gas Natural gas Producer gas Coke oven gas Water gas Natural gas Producer gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density Less moisture content Lower ash content High fusion point of its ash High bulk density Less moisture content Lower ash content High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP