Fuels and Combustion For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ? F. gas and coke oven gas Propane and acetylene Sewage gas and gobar gas Propane and LPG F. gas and coke oven gas Propane and acetylene Sewage gas and gobar gas Propane and LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is C₂H₆ C₃H₈ H₂ CH₄ (upto 90%) C₂H₆ C₃H₈ H₂ CH₄ (upto 90%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 5000 10000 1000 50 5000 10000 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the Incomplete combustion Complete combustion None of these High oxygen in flue gas Incomplete combustion Complete combustion None of these High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of natural gas is about __________ kcal/Nm³. 25, 000 10, 000 35, 000 2500 25, 000 10, 000 35, 000 2500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes None of these Increase in its strength Brittleness of steel made by using it Decrease in its calorific value None of these Increase in its strength Brittleness of steel made by using it Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
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