Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation Because, it alone produces unreactive coke Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Because, it alone produces unreactive coke Both A & B Neither A nor B To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Pulverised fuel Perfumes Insecticides Plastics Pulverised fuel Perfumes Insecticides Plastics ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke ovens in steel plant are heated by Both B & C Mixed gas Coke oven gas Electricity Both B & C Mixed gas Coke oven gas Electricity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 500 100 1000 1500 500 100 1000 1500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Both A & B Neither A nor B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature Both A & B Neither A nor B Always loss of heat from the flame No possibility of obtaining complete combustion at high temperature ANSWER DOWNLOAD EXAMIANS APP
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