Fuels and Combustion Turndown ratio of a gas burner is equal to the Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio Both A & B Minimum to maximum heat input ratio Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 1100 950 750 500 1100 950 750 500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C/H ratio is the maximum in case of Furnace oil Naphtha Coal Natural gas Furnace oil Naphtha Coal Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 35, 000 10, 000 25, 000 2500 35, 000 10, 000 25, 000 2500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale Does not alter its calorific value Increases its calorific value Decreases its calorific value Is not possible on commerical scale ANSWER DOWNLOAD EXAMIANS APP
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