Fuels and Combustion Higher fuel combustion efficiency can not be achieved by Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation Preheating of fuel gases & combustion air Reducing sulphur content in the fuel Supplying correct amount of combustion air Adopting proper fuel firing technique & fuel preparation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Petroleum coke Foundary coke Beehive coke Metallurgical coke Petroleum coke Foundary coke Beehive coke Metallurgical coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following can be made into briquettes without the use of a binder? Anthracite coal None of these Bituminous coal Lignite Anthracite coal None of these Bituminous coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High ash containing coke Is desirable in producer gas manufacture None of these Has poor strength and abrasion resistance Produces more slag when used in the blast furnace Is desirable in producer gas manufacture None of these Has poor strength and abrasion resistance Produces more slag when used in the blast furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Increase in its strength Brittleness of steel made by using it Decrease in its calorific value None of these Increase in its strength Brittleness of steel made by using it Decrease in its calorific value None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a by-product recovered in a high temperature coal carbonisation plant? Ethylene Benzol Pitch-cresosote mixture (PCM) Napthalene Ethylene Benzol Pitch-cresosote mixture (PCM) Napthalene ANSWER DOWNLOAD EXAMIANS APP
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