Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Multicyclones Bag filter Hydrocyclones Wet scrubber Multicyclones Bag filter Hydrocyclones Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation of coal produces Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products Metallurgical coke Soft coke Very low calorific value coke oven gas No by-products 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 Lower carbon dioxide content None of these Higher carbon monoxide content Higher methane content and thus higher calorific value Lower carbon dioxide content None of these Higher carbon monoxide content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Adiabatic flame temperature of a fuel is dependent on the initial temperature of Both A & B Neither A nor B Air Fuel Both A & B Neither A nor B Air Fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C. Sensible and latent None of these Latent Sensible Sensible and latent None of these Latent Sensible ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Ignites more easily than bituminous coal Contains more volatile matter than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal ANSWER DOWNLOAD EXAMIANS APP
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