Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Develops a low temperature flame Develops a non-luminous flame Can be done with less excess air Provides a lower rate of heat release Develops a low temperature flame Develops a non-luminous flame Can be done with less excess air Provides a lower rate of heat release ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of gaseous fuels, deficiency of air Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame Does not affect the flame length Lengthens the flame Increases the flame temperature Tends to shorten the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Optimum preheating temperature for pitch creosote mixture (PCM) which is also termed as C.T.F-200, before atomisation through burners is 200 °K 200 °C 200 °F 200 °R 200 °K 200 °C 200 °F 200 °R ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Pyridine Benzol Toluene Cerosote Pyridine Benzol Toluene Cerosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion For the case of a fuel gas undergoing combustion with air, if the air/fuel ratio is increased, the adiabatic flame temperature will Increase Increase or decrease depending on the fuel type Decrease Not change Increase Increase or decrease depending on the fuel type Decrease Not change ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is pulverised before burning in large capacity boiler furnaces mainly to Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion Provide trouble free operation Enhance its calorific value Facilitate easy ash removal Ensure its complete combustion Provide trouble free operation ANSWER DOWNLOAD EXAMIANS APP
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