Fuels and Combustion The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³. 10, 000 5000 25, 000 15, 000 10, 000 5000 25, 000 15, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For every 10% increase in the excess air; the fuel consumption increases by __________ percent. 10 2 5 0.1 10 2 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised fuel Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these Suppresses the discharge of fine dust and grit into atmosphere Requires larger combustion chamber than rich gaseous fuel In a metallurgical furnace does not contaminate the product in the furnace by ash from fuel All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray-King Assay and Roga Index of coal is a measure of its Abradability Weathering properties Caking and swelling properties Grindability Abradability Weathering properties Caking and swelling properties Grindability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following combustibles is absent in blast furnace gas? CO CH₄ H₂ None of these CO CH₄ H₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High sulphur content in a fuel __________ of the flue gases. Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction Increases the dew point Decreases the dew point Both B & C Reduces the combustion efficiency by limiting the permissible temperature reduction ANSWER DOWNLOAD EXAMIANS APP
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