Fuels and Combustion Which will have the least volatile matter and hence will be the most difficult to ignite? Bituminous coal Aanthracite Coke Semi-bituminous coal Bituminous coal Aanthracite Coke Semi-bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) Sewage gas Liquefied petroleum gas (LPG) Natural gas Coal bed methane (CBM) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Provides a lower rate of heat release Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame Provides a lower rate of heat release Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Entrainment of solids is higher Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Coking coals cannot be used Entrainment of solids is higher Low carbon conversion efficiency is achieved Larger quantity of coal can be processed Coking coals cannot be used ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Yellow Unburnt gases Luminous Non-luminous Yellow Unburnt gases Luminous Non-luminous ANSWER DOWNLOAD EXAMIANS APP
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