Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if All of these It contains large amount of volatile matter It is stored in tall heaps Smaller fines are stored in large quantity All of these It contains large amount of volatile matter It is stored in tall heaps Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Decreases the dew point Increases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C Decreases the dew point Increases the dew point Reduces the combustion efficiency by limiting the permissible temperature reduction Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in moisture content of coal, its Bulk density always decreases Clinkering tendency during combustion increases Calorific value increases sometimes None of these Bulk density always decreases Clinkering tendency during combustion increases Calorific value increases sometimes None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by Cuporus chloride Potassium hydroxide Alkaline pyragllol solution Dilute potassium carbonate Cuporus chloride Potassium hydroxide Alkaline pyragllol solution Dilute potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in beehive coke oven is about 12 hours Two weeks 2-3 days One week 12 hours Two weeks 2-3 days One week ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gas which contributes maximum to the heating value of natural gas is CO₂ CH₄ CO H₂ CO₂ CH₄ CO H₂ ANSWER DOWNLOAD EXAMIANS APP