Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Natural gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Sewage gas Natural gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 180 65 30 120 180 65 30 120 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 1000 50 5000 10000 1000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Neither A nor B Density of the chimney gases Both A & B Height of the chimney Neither A nor B Density of the chimney gases Both A & B Height of the chimney ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Caking power None of these Calorific value Oxygen content Caking power None of these Calorific value Oxygen content ANSWER DOWNLOAD EXAMIANS APP
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