Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Equal to Less than Either more or less; depends on the type of fuel More than Equal to Less than Either more or less; depends on the type of fuel More than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Both A and B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross and net calorific value of a fuel will be the same Ifits carbon content is very low Under no circumstances If its hydrogen/hydrogen compound content is zero If its ash content is zero Ifits carbon content is very low Under no circumstances If its hydrogen/hydrogen compound content is zero If its ash content is zero ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces Higher amount of methane Both A & B Lower amount of hydrogen Higher amount of both methane and hydrogen Higher amount of methane Both A & B Lower amount of hydrogen Higher amount of both methane and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion One kg of carbon for theoretically complete combustion requires __________ kg of air. 12 11.5 0.5 23 12 11.5 0.5 23 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 1.75 11.4 2.4 0.87 1.75 11.4 2.4 0.87 ANSWER DOWNLOAD EXAMIANS APP