Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Hydrogen Unsaturated hydrocarbons All of these Methane Hydrogen Unsaturated hydrocarbons All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Anthracite Coal having high fusion point of its ash Coke Coal having low fusion point of its ash Anthracite Coal having high fusion point of its ash Coke Coal having low fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Bituminous coal Anthracite Lignite Semi-anthracite Bituminous coal Anthracite Lignite Semi-anthracite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas compared to blast furnace gas is Lighter All of these More explosive and inflammable Less poisonous Lighter All of these More explosive and inflammable Less poisonous ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 150-200 15-30 70-100 43832 150-200 15-30 70-100 43832 ANSWER DOWNLOAD EXAMIANS APP
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