Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? None of these Lurgi Process Kopper-Totzek process Winkler process None of these Lurgi Process Kopper-Totzek process Winkler process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates Handling (e.g. when emptying wagons) None of these Its pulverisation (as it requires more power) Combustion of fire slacks on the grates ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/kg 25000 kcal/kg 8800 kcal/m³ Same as that of coal middling 8800 kcal/kg 25000 kcal/kg 8800 kcal/m³ Same as that of coal middling ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% None of these < 37% In between 37 & 71% >71% None of these < 37% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index ANSWER DOWNLOAD EXAMIANS APP
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