Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the High oxygen in flue gas Incomplete combustion Complete combustion None of these High oxygen in flue gas Incomplete combustion Complete combustion None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? Winkler process Kopper-Totzek process None of these Lurgi Process Winkler process Kopper-Totzek process None of these Lurgi Process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss None of these Minimise its corrosion Make it look attractive Avoid radiation heat loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A carbonaceous fuel (containing no H₂ or hydrocarbons) is burnt and the resulting flue gas contains 21% CO₂. It means that 21% excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion No excess air has been used for combustion 21% excess air has been used for combustion Complete combustion of fuel has taken place 21% excess oxygen has been used for combustion No excess air has been used for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Abradability Swelling characteristics Agglutinating properties Resistance to impact breakage Abradability Swelling characteristics Agglutinating properties Resistance to impact breakage ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases ANSWER DOWNLOAD EXAMIANS APP
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