Fuels and Combustion The heat of combustion of a fuel Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CH₄ None of these CO H₂ CH₄ None of these CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Critical Air Blast (CAB) value of coke is a direct measure of its Strength Reactivity Hardness None of these Strength Reactivity Hardness None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Plastics Pulverised fuel Perfumes Insecticides Plastics Pulverised fuel Perfumes Insecticides ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Gross calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume Gross calorific value at constant pressure Lower calorific value at constant pressure Higher calorific value at constant volume Net calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature All of these Percentage of oxygen in flue gases Fuel consumption for the same heat load Stack gas temperature ANSWER DOWNLOAD EXAMIANS APP
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