Fuels and Combustion Bituminous coal Ignites less easily than anthracite Burns with smoky yellow flame Both B and C Is generally coking Ignites less easily than anthracite Burns with smoky yellow flame Both B and C Is generally coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Hydrocyclones Wet scrubber Multicyclones Bag filter Hydrocyclones Wet scrubber Multicyclones Bag filter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 15 & 8 10 & 3 10 & 20 3 & 10 15 & 8 10 & 3 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO All of these Only O₂ Both O₂ and CO₂ Both O₂ and CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss Incomplete combustion All of these Dry gas/stack gas loss Moisture loss Incomplete combustion All of these Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP