Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 95-100 60-65 25-30 3-5 95-100 60-65 25-30 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Slow & high Slow & low Fast & slow Fast & high Slow & high Slow & low Fast & slow Fast & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low calorific value Low octane number High cost & availability Low flash point Low calorific value Low octane number High cost & availability Low flash point ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 15-25 0-15 >100 25-80 15-25 0-15 >100 25-80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not applicable to fluidised bed combustion of coal? Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these Less heat transfer surface area is required in boilers It can not burn low grade coal It achieves higher fuel combustion efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have High volatile matter content Low fusion point of ash High caking index Very low ash content (8-10%) High volatile matter content Low fusion point of ash High caking index Very low ash content (8-10%) ANSWER DOWNLOAD EXAMIANS APP
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