Fuels and Combustion Abrasion index of blast furnace coke should be around __________ percent. 20 35 80 55 20 35 80 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Caking index Both B and C Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bunsen burner is an example of a/an __________ burner. Submerged combustion Rotary cup Outside mixing/diffusion flame/nozzle mix type Inside mixing/premix type Submerged combustion Rotary cup Outside mixing/diffusion flame/nozzle mix type Inside mixing/premix type ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these Its pulverisation (as it requires more power) Handling (e.g. when emptying wagons) Combustion of fire slacks on the grates None of these Its pulverisation (as it requires more power) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having Higher methane content and thus higher calorific value None of these Lower carbon dioxide content Higher carbon monoxide content Higher methane content and thus higher calorific value None of these Lower carbon dioxide content Higher carbon monoxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 18 80 48 8 18 80 48 8 ANSWER DOWNLOAD EXAMIANS APP
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