Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke None of these Decreases the hardness of coke Causes brittleness in steel Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature decreases progressively from anthracite to lignite, because Volatile matter content increases Ash content increases Carbon content decreases Moisture content increases Volatile matter content increases Ash content increases Carbon content decreases Moisture content increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Traces of tar fog present in the coke oven gas is removed by Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator Washing with monoethanolamine Electrostatic precipitator Wet packed scrubber Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Durain Vitrain Clarain Fussain Durain Vitrain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ prohibits the use of alcohols directly in petrol engines. Low flash point Low calorific value High cost & availability Low octane number Low flash point Low calorific value High cost & availability Low octane number ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Adopting efficient-fuel firing technique & equipment Proper fuel preparation Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high Adopting efficient-fuel firing technique & equipment Proper fuel preparation Supplying correct quantity of combustion air Keeping the flue gas exhaust temperature very high ANSWER DOWNLOAD EXAMIANS APP
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