Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate None of these Attainment of high temperature Attainment of chemical equilibrium Its thorough mixing with air None of these Attainment of high temperature Attainment of chemical equilibrium Its thorough mixing with air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of stored coal results in the All of these Decrease in its carbon & hydrogen content Increase in its oxygen content Decrease in its caking power & calorific value All of these Decrease in its carbon & hydrogen content Increase in its oxygen content Decrease in its caking power & calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pensky-Marten apparatus is used for those oils, whose flash points are __________ °F. >120 90-110 >120 90-110 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The hottest part of the flame lies in its____zone. Non-luminous Unburnt gases Yellow Luminous Non-luminous Unburnt gases Yellow Luminous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coals used for the generation of producer gas should have High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) High caking index Low fusion point of ash High volatile matter content Very low ash content (8-10%) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Very little excess air Low amount/current of combustion air High amount/current of combustion air Preheated secondary air Very little excess air Low amount/current of combustion air High amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
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