Fuels and Combustion Volatile matter content of metallurgical coke may be around __________ percent. 22-26 1-2 10-15 30-33 22-26 1-2 10-15 30-33 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. All of these Hydrogen Unsaturated hydrocarbons Methane All of these Hydrogen Unsaturated hydrocarbons Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 50 85 70 100 50 85 70 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain CO Both B & C H₂O CO₂ CO Both B & C H₂O CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged Increase May increase or decrease ; depends on the quantity of products of combustion Decrease Remain unchanged 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