Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame Shortens the flame Both A & B Causes heat loss of fuel by its partial combustion Lengthens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Ammonia yield is more Aliphatic tar is produced Free carbon in tar is more All of these Ammonia yield is more Aliphatic tar is produced Free carbon in tar is more All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air required to burn 1 kg of carbon completely may be around __________ kg. 11 2 20 38 11 2 20 38 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 11.5 23 0.5 12 11.5 23 0.5 12 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these Density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Atomising steam to fuel oil ratio in a burner should be around 1.5 0.5 2.5 3.5 1.5 0.5 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP