Fuels and Combustion Ionisation potential applied across the electrodes of electrostatic tar precipitator is around 60 KV AC 60 KV DC 230 V AC 230 V DC 60 KV AC 60 KV DC 230 V AC 230 V DC ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher Sulphur content is lower Flue gas has lower dew point thereby facilitating more waste heat recovery All of these Emissivity factor is higher Sulphur content is lower ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fixed carbon in coal is defined as The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The total quantity of carbon present in the coal The one which is present in the residue after combustion Hundred minus the percentage of volatile matter, ash and moisture That present in volatile matters The total quantity of carbon present in the coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered May increase or decrease (depends on the method of storage) Decreases Increases Remains unaltered ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content None of these High sulphur Low fusion point of ash High ash content None of these High sulphur Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation Can't be known without calculating it Is always negative Is always positive Is equal to the heat of formation ANSWER DOWNLOAD EXAMIANS APP