Fuels and Combustion Volumetric ratio of N₂ to O₂ in dry atmospheric air is 3.76 0.21 4.76 0.79 3.76 0.21 4.76 0.79 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by Air Oxygen enriched air Oxygen None of these Air Oxygen enriched air Oxygen None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C. 1700-1800 1400-1500 900-1000 400-500 1700-1800 1400-1500 900-1000 400-500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke compared to the coal from which it has been made, contains Greater percentage of ash Less volatile matter All of these More carbon Greater percentage of ash Less volatile matter All of these More carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using 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 Very little excess air Low amount/current of combustion air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Perfumes Plastics Insecticides Pulverised fuel Perfumes Plastics Insecticides Pulverised fuel ANSWER DOWNLOAD EXAMIANS APP