Fuels and Combustion Hardgrove grindability index of four coal samples are given below. Which of them is the easiest to grind? 70 85 50 100 70 85 50 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moth balls (insecticides) As moisture proof coating on fibres As a fuel in furnaces For making electrodes As moth balls (insecticides) As moisture proof coating on fibres As a fuel in furnaces For making electrodes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Banking Under pressurising None of these Back draughting Banking Under pressurising None of these Back draughting ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Higher calorific value at constant volume Lower calorific value at constant pressure Net calorific value at constant volume Gross calorific value at constant pressure Higher calorific value at constant volume Lower calorific value at constant pressure Net calorific value at constant volume Gross calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Benzene, toluene & xylene Ammonia & phenol Tar & creosote Anthracene & phenol Benzene, toluene & xylene Ammonia & phenol Tar & creosote Anthracene & phenol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is a better fuel than blast furnace gas, because of its higher Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) All of these Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity) All of these Heat release rate (thus requiring smaller combustion chamber) Adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
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