Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Young Both A & B Mature Neither A nor B Young Both A & B Mature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 0.5 2.5 20 10 0.5 2.5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not A domestic fuel None of these Produced by low temperature carbonisation of coal Used in blast furnaces A domestic fuel None of these Produced by low temperature carbonisation of coal Used in blast furnaces ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number increases Swelling number decreases Bulk density decreases Calorific value increases Swelling number increases Swelling number decreases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Liquefied petroleum gas (LPG) Natural gas Sewage gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Natural gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the None of these Incomplete combustion Complete combustion High oxygen in flue gas None of these Incomplete combustion Complete combustion High oxygen in flue gas ANSWER DOWNLOAD EXAMIANS APP
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