Fuels and Combustion Degree of carbonisation of coal during coke making can be roughly judged by the __________ of the coke produced. Volatile matter Ash content Moisture content Colour Volatile matter Ash content Moisture content Colour ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not a binder for coal briquetting? Coal tar None of these Bitumen Molasses Coal tar None of these Bitumen Molasses ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Water gas Producer gas Natural gas Blast furnace gas Water gas Producer gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature carbonisation Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke Produces higher quantity of gas than high temperature carbonisation Is meant for the production of 'metallurgical coke' Produces less quantity of tar than high temperature carbonisation Is mainly for producing the smokeless domestic coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking ANSWER DOWNLOAD EXAMIANS APP
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