Fuels and Combustion Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr. 20 10 0.5 2.5 20 10 0.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Octane number of 2, 2, 4 - trimethyl pen-tane is More than 100 100 In between 0 and 100 More than 100 100 In between 0 and 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel with high heat release rate will Have high calorific value Require smaller combustion chamber None of these Have high adiabatic flame temperature Have high calorific value Require smaller combustion chamber None of these Have high adiabatic flame temperature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density Electrical resistivity None of these Porosity Density Electrical resistivity None of these Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Blast furnace coke is made from coal by Low temperature carbonisation High temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation Low temperature carbonisation High temperature carbonisation Heating the coal in an oven in presence of air Medium temperature carbonisation ANSWER DOWNLOAD EXAMIANS APP
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