Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 550 to 650 700 to 850 100 to 150 350 to 450 550 to 650 700 to 850 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Assam coals suffers mainly from the disadvantage of high __________ content. Ash Moisture Sulphur (4-6%) Volatile matter Ash Moisture Sulphur (4-6%) Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Washing Pulverisation Storage Transportation and handling Washing Pulverisation Storage Transportation and handling ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of bituminous coal may be around __________ Kcal/kg. 1500 500 6500 20000 1500 500 6500 20000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of 'gobar' (cow dung). Fermentation Oxidation Dehydration Hydrolysis Fermentation Oxidation Dehydration Hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases May increase or decrease (depends on the method of storage) Decreases Remains unaltered Increases ANSWER DOWNLOAD EXAMIANS APP
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