Fuels and Combustion Turndown ratio of a gas burner is equal to the Minimum to maximum heat input ratio Both A & B Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio Minimum to maximum heat input ratio Both A & B Maximum to minimum permissible gas flow rate Maximum to minimum heat input ratio ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Agglutinating properties Swelling characteristics Resistance to impact breakage Abradability Agglutinating properties Swelling characteristics Resistance to impact breakage Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia Iron sulphate All of these Iron silicate Lime and magnesia Iron sulphate All of these Iron silicate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Hydrocyclones Multicyclones Bag filter Wet scrubber Hydrocyclones Multicyclones Bag filter Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Ash Volatile matter Inherent mineral matter Free impurities Ash Volatile matter Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest gross calorific value? Carburetted water gas Coke oven gas Blast furnace gas Oil refinery gas Carburetted water gas Coke oven gas Blast furnace gas Oil refinery gas ANSWER DOWNLOAD EXAMIANS APP
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