Fuels and Combustion Beehive coke oven Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery Produces coke with very poor strength Takes 2-3 days for coking of coal but requires no external fuel for heating Gives larger yield of coke (around 85%) as compared to by-product ovens Facilitates by-products recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas constitutes mainly of CH₄ & N₂ CO & N₂ CH₄ & CO₂ CO & CO₂ CH₄ & N₂ CO & N₂ CH₄ & CO₂ CO & CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high ash content Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value Is not subjected to washing Is harder and stronger Has low quantity of mineral matter Has higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Deficiency of combustion air during combustion of a gaseous fuel Shortens the flame Lengthens the flame Both A & B Causes heat loss of fuel by its partial combustion Shortens the flame Lengthens the flame Both A & B Causes heat loss of fuel by its partial combustion 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 °R 200 °F 200 °K 200 °C 200 °R 200 °F ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficient burning of anthracite coal requires Fine grinding High excess air Low preheat of air All of these Fine grinding High excess air Low preheat of air All of these ANSWER DOWNLOAD EXAMIANS APP
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