Fuels and Combustion Gross and net calorific value of a fuel will be the same If its ash content is zero Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero If its ash content is zero Under no circumstances Ifits carbon content is very low If its hydrogen/hydrogen compound content is zero 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 Develops a non-luminous flame Can be done with less excess air Develops a low temperature flame Provides a lower rate of heat release Develops a non-luminous flame Can be done with less excess air Develops a low temperature flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Lower ash content High bulk density High fusion point of its ash Less moisture content Lower ash content High bulk density High fusion point of its ash Less moisture content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Carbon monoxide Hydrocarbons Oxygen Hydrogen Carbon monoxide Hydrocarbons Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good metallurgical coke should have very low Hardness & strength Sulphur & phosphorous content Fusion point of its ash Porosity Hardness & strength Sulphur & phosphorous content Fusion point of its ash Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 27.6 23 47.3 42.9 27.6 23 47.3 42.9 ANSWER DOWNLOAD EXAMIANS APP
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