Fuels and Combustion Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C. 180 30 65 120 180 30 65 120 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace gas compared to coke oven gas has Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature Higher calorific value Lower ignition temperature Narrower limit of inflammability Lower theoretical flame temperature Higher calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ is used as jet engine fuel. Petrol LPG Diesel Kerosene Petrol LPG Diesel Kerosene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. None of these < 37% >71% In between 37 & 71% None of these < 37% >71% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel Calorific value of the fuel Heat transfer rate to the stock in the furnace Flame temperature achieved Speed of combustion of fuel Calorific value of the fuel ANSWER DOWNLOAD EXAMIANS APP