Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 40 20 4 96 40 20 4 96 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties Reduces its sulphur and ash content All of these Controls its ash fusibility and increases its calorific value Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Caking index Ash content Both B and C Mineral matter content Caking index Ash content Both B and C Mineral matter content ANSWER DOWNLOAD EXAMIANS APP
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 LPG Sewage gas and gobar gas Propane and acetylene F. gas and coke oven gas Propane and LPG Sewage gas and gobar gas Propane and acetylene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 50 80 25 10 50 80 25 10 ANSWER DOWNLOAD EXAMIANS APP
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