Fuels and Combustion Main constituents of purified Lurgi gas are CO, H₂ & CH₄ N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO CO, H₂ & CH₄ N₂, H₂ & CO₂ H₂, CmHn & CO₂ CO₂, O₂ & CO ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be easily pulverised Coal can't be pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can't be pulverised Coal can be pulverised with great difficulty Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Gasification Deoxidation Carbonisation Coalification Gasification Deoxidation Carbonisation Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Carbon Volatiles Ash Moisture Carbon Volatiles Ash Moisture ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously It reduces its flame temperature tremendously There are chances of explosion during preheating ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 1800 4200 6500 850 1800 4200 6500 850 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS