Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Very little excess air High amount/current of combustion air Low amount/current of combustion air Preheated secondary air Very little excess air High amount/current of combustion air Low amount/current of combustion air Preheated secondary air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of the gas produced from a gobar gas plant is CO₂ CO CH₄ H₂ CO₂ CO CH₄ H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of Humic coals None of these Liptobiolites Sapropelic coals Humic coals None of these Liptobiolites Sapropelic coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. High ash Non-caking Pulverised Caking High ash Non-caking Pulverised Caking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gray King Assay and Swelling Index of a coal is a measure of its Resistance to impact breakage Abradability Agglutinating properties Swelling characteristics Resistance to impact breakage Abradability Agglutinating properties Swelling characteristics ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens None of these Increases the time of carbonisation Produces larger size coke May damage its walls due to abrupt excessive swelling of coal None of these Increases the time of carbonisation Produces larger size coke May damage its walls due to abrupt excessive swelling of coal ANSWER DOWNLOAD EXAMIANS APP