Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Increases Remains same Decreases May increase or decrease ; depends on the type of fuel Increases Remains same Decreases May increase or decrease ; depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Back draughting Banking Under pressurising None of these Back draughting Banking Under pressurising None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Dry gas/stack gas loss All of these Incomplete combustion Moisture loss Dry gas/stack gas loss All of these Incomplete combustion Moisture loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) Sulphur content Calorific value Ignition temperature Type (solid, liquid or gaseous) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be Very high, if the fuel is of low calorific value High None of these Low Very high, if the fuel is of low calorific value High None of these Low ANSWER DOWNLOAD EXAMIANS APP
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