Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 95-100 60-65 3-5 25-30 95-100 60-65 3-5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Lignite Sub-bituminous Bituminous Semi-anthracite Lignite Sub-bituminous Bituminous Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Causes heat loss of fuel by its partial combustion Lengthens the flame Both A & B Shortens the flame Causes heat loss of fuel by its partial combustion Lengthens the flame Both A & B Shortens the flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Short/intense flame is produced during combustion of gaseous fuel by using Preheated secondary air High amount/current of combustion air Low amount/current of combustion air Very little excess air Preheated secondary air High amount/current of combustion air Low amount/current of combustion air Very little excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products recovery process from coal carbonisation is termed as direct, indirect and semi direct process depending upon the method of recovery of Ammonia Tar Benzol None of these Ammonia Tar Benzol None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Insecticides Perfumes Plastics Pulverised fuel Insecticides Perfumes Plastics Pulverised fuel ANSWER DOWNLOAD EXAMIANS APP