Fuels and Combustion With increase in the oxygen content of the coal, its __________ decreases. Calorific value Neither A nor B Both A & B Caking power Calorific value Neither A nor B Both A & B Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 25-80 >100 15-25 0-15 25-80 >100 15-25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Anthracite coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Contains more volatile matter than bituminous coal Ignites more easily than bituminous coal Burns with short, bluish, yellow-tipped flame producing very little smoke Is essentially a coking coal Contains more volatile matter than bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its Heating value None of these Fusion point of ash S & P content Heating value None of these Fusion point of ash S & P content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Lower than Higher than Same as None of these Lower than Higher than Same as None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Ash content in the fuel Flue gases Unburnt carbon in flue gases Incomplete combustion Ash content in the fuel Flue gases Unburnt carbon in flue gases ANSWER DOWNLOAD EXAMIANS APP
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