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. 4 96 40 20 4 96 40 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties Controls its ash fusibility and increases its calorific value Reduces its sulphur and ash content All of these Improves its coking properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Caking index Ash content Mineral matter content Both B and C Caking index Ash content Mineral matter content Both B and C 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) ? Propane and LPG Propane and acetylene F. gas and coke oven gas Sewage gas and gobar gas Propane and LPG Propane and acetylene F. gas and coke oven gas Sewage gas and gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 80 25 10 50 80 25 10 50 ANSWER DOWNLOAD EXAMIANS APP
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