Fuels and Combustion Which of the following is a poisonous fuel gas? Blast furnace gas Natural gas Coke oven gas None of these Blast furnace gas Natural gas Coke oven gas None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coal having high fusion point of its ash Coal having low fusion point of its ash Coke Anthracite Coal having high fusion point of its ash Coal having low fusion point of its ash Coke Anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its calorific value tremendously There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Moisture loss is determined by the Moisture content of fuel Humidity of combustion air Both A and B The water formed by combustion reaction Moisture content of fuel Humidity of combustion air Both A and B The water formed by combustion reaction ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Pulverised coal in boilers Too much air for combustion Correct amount of air for combustion Less air for combustion Pulverised coal in boilers Too much air for combustion Correct amount of air for combustion Less air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 29 21 19 23 29 21 19 23 ANSWER DOWNLOAD EXAMIANS APP
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