Fuels and Combustion Hard coke is manufactured from Lignite Anthracite Semi-anthracite Bituminous coal Lignite Anthracite Semi-anthracite Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Ash content Colour Volatile matter Moisture content Ash content Colour Volatile matter Moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered May increase or decrease (depends on the method of storage) Increases Decreases Remains unaltered May increase or decrease (depends on the method of storage) Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these May damage its walls due to abrupt excessive swelling of coal Increases the time of carbonisation Produces larger size coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following fuels, the difference between the net and gross calorific value is maximum in case of Fuel oil Blast furnace gas Bituminous coal Pitch Fuel oil Blast furnace gas Bituminous coal Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Equal to More than Either more or less; depends on the type of fuel Less than Equal to More than Either more or less; depends on the type of fuel Less than ANSWER DOWNLOAD EXAMIANS APP
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