Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Volatile matter Ash Free impurities Inherent mineral matter Volatile matter Ash Free impurities Inherent mineral matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Water gas constitutes mainly of CO & N₂ CH₄ & H₂ CO & H₂ CO₂ & H₂ CO & N₂ CH₄ & H₂ CO & H₂ CO₂ & H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains All of these Less volatile matter Greater percentage of ash More carbon All of these Less volatile matter Greater percentage of ash More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative Is equal to the heat of formation Can't be known without calculating it Is always positive Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about 8800 kcal/kg 8800 kcal/m³ Same as that of coal middling 25000 kcal/kg 8800 kcal/kg 8800 kcal/m³ Same as that of coal middling 25000 kcal/kg ANSWER DOWNLOAD EXAMIANS APP
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