Fuels and Combustion Air/gas ratio for complete combustion will be the highest for Gobar gas Carburetted water gas Coke oven gas LPG Gobar gas Carburetted water gas Coke oven gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously There are chances of explosion during preheating It reduces its calorific value tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its flame temperature tremendously ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called Back draughting Under pressurising None of these Banking Back draughting Under pressurising None of these Banking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has All of these Lower strength Lower bulk density Higher reactivity All of these Lower strength Lower bulk density Higher reactivity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the highest heat of combustion? CH₄ C₂H₆ CO H₂ CH₄ C₂H₆ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? Kopper-Totzek process Winkler process Lurgi process All of these Kopper-Totzek process Winkler process Lurgi process All of these ANSWER DOWNLOAD EXAMIANS APP
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