Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame Can be done with less excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Increases its consumption in the furnace Reduces its consumption in the furnace Decreases its hardness and abrasion resistance Does not affect its consumption in the furnace Increases its consumption in the furnace Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Lower calorific value at constant pressure Net calorific value at constant volume Gross calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant pressure Net calorific value at constant volume Gross calorific value at constant pressure Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Ash Moisture Volatile matter Sulphur (4-6%) Ash Moisture Volatile matter Sulphur (4-6%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Transportation and handling Pulverisation Washing Storage Transportation and handling Pulverisation Washing Storage ANSWER DOWNLOAD EXAMIANS APP