Fuels and Combustion Cannel coal Has a high volatile matter content and burns with a luminous smoky flame All of these Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named Has a high volatile matter content and burns with a luminous smoky flame All of these Is non-coking Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For maximum discharge through a chimney, its height should be More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters More than 105.7 metres Infinitely long Equal to the height of the hot gas column producing draught 200 meters ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in a commercial high temperature coal carbonisation plant is about __________ hours. 36 6 28 18 36 6 28 18 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the dew point of flue gases Decreases Remains same Increases May increase or decrease ; depends on the type of fuel Decreases Remains same Increases May increase or decrease ; depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Both A & B Neither A nor B Mature Young Both A & B Neither A nor B Mature 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 Sewage gas and gobar gas F. gas and coke oven gas Propane and LPG Propane and acetylene Sewage gas and gobar gas F. gas and coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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