Fuels and Combustion The function of secondary combustion air is to Pneumatically convey the pulverised coal None of these Completely burn the volatile matter Burn the lumpy coal Pneumatically convey the pulverised coal None of these Completely burn the volatile matter Burn the lumpy coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Coking coals cannot be used Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Entrainment of solids is higher Coking coals cannot be used Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Entrainment of solids is higher ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant May increase or decrease, depends on combustibles Decreases Increases Remains constant May increase or decrease, depends on combustibles Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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. 60-65 95-100 25-30 3-5 60-65 95-100 25-30 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following oil gasification processes is non-catalytic? Segas process Onia-Gegi process Semet-Solvay process Steam reforming of naphtha Segas process Onia-Gegi process Semet-Solvay process Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
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