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 acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas Propane and acetylene Propane and LPG F. gas and coke oven gas Sewage gas and gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 25 and 97 40 and 70 80 and 97 95 and 100 25 and 97 40 and 70 80 and 97 95 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? H₂ CO C₂H₆ CH₄ H₂ CO C₂H₆ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If oxygen content in the flue gas rises too high, fuel is being wasted by None of these Incomplete combustion Moisture loss Dry gas/stack gas loss None of these Incomplete combustion Moisture loss Dry gas/stack gas loss ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Speed of the fan All of these Variation in the pitch of the fan blades Damper Speed of the fan All of these Variation in the pitch of the fan blades Damper ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility Large heaps with small surface to volume ratio Fine sizes without the presence of any lump Shallow and small piles Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
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