In case of humic coals, hydrogen percentage varies from

Related MCQs

• Fixed carbon in case of bituminous coals is less than
• All of the following are hard coals EXCEPT
• The carbon percentage in diesel oil is nearly
• Solvent refined coal has low percentage of
• The percentage of carbon in anthracite is generally
• Due to burning of one kg of pure carbon with a minimum quantity of air required, the percentage of carbondioxide in the exhaust gases would be
• The carbon percentage in diesel oil is nearly
• Due to burning of one kg of pure carbon with a minimum quantity of air required, the percentage of carbondioxide in the exhaust gases would be
• The problem of ash handling does not exist in case of ------ fired boilers.
• In case of oil fired boiler, the excess air is usually