Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Mature Both A & B Young Neither A nor B Mature Both A & B Young Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 15-30 43832 150-200 70-100 15-30 43832 150-200 70-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value Porosity Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas constitutes mainly of N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ N₂ & H₂ N₂ & CO N₂ & CH₄ CH₄ & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Function of secondary air in pulverised coal firing is to Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner Transport the coal to the burner Reduce primary air requirement Dry the coal Ensure efficient burning of coal around the burner ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Hydrogen Carbon Sulphur Oxygen Hydrogen Carbon Sulphur Oxygen ANSWER DOWNLOAD EXAMIANS APP
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