Fuels and Combustion High rate of heating of coke ovens 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 May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having high volatile matter content will None of these Give less yield of tar and gas on carbonisation Have a very high calorific value Burn with a small non-smoky flame None of these Give less yield of tar and gas on carbonisation Have a very high calorific value Burn with a small non-smoky flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest calorific value (kcal/Nm³) ? LPG Carburetted water gas Natural gas Gobar gas LPG Carburetted water gas Natural gas Gobar gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Number of macrocomponents present in coal according to Stopes are Five Six Four Two Five Six Four Two ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called Kindling temperature Fire point Smoke point Burning temperature Kindling temperature Fire point Smoke point Burning temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Hydrocarbons Carbon monoxide Oxygen Hydrogen Hydrocarbons Carbon monoxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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