Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It contains large amount of volatile matter Smaller fines are stored in large quantity All of these It is stored in tall heaps It contains large amount of volatile matter Smaller fines are stored in large quantity All of these It is stored in tall heaps ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 25, 000 10, 000 2500 35, 000 25, 000 10, 000 2500 35, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. >120 90-110 >120 90-110 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal containing high amount of volatile matter will have High fusion point of its ash Low adiabatic flame temperature Very little ash content Low ignition temperature High fusion point of its ash Low adiabatic flame temperature Very little ash content Low ignition temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the Increase in its oxygen content All of these Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content Increase in its oxygen content All of these Decrease in its caking power & calorific value Decrease in its carbon & hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 55 25 75 5 55 25 75 5 ANSWER DOWNLOAD EXAMIANS APP
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