Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases High rank coals have higher amount of volatile matter Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases Oxygen content progressively decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuel - 200 (CTF 200) is a mixture of Pitch and creosote oil Light oil and pitch Solar oil and pitch Anthracene and crecosote oil Pitch and creosote oil Light oil and pitch Solar oil and pitch Anthracene and crecosote oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal decreases its Both B and C Caking index Mineral matter content Ash content Both B and C Caking index Mineral matter content Ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Caking capacity Fusion point of its ash Inherent moisture content Volatile matter content Caking capacity Fusion point of its ash Inherent moisture content Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ BaSO₄ & NaCl MgO & Na₂CO₃ MgCO₃ & NaCl MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Sinter making Iron blast furnace Cupola in foundaries Domestic ovens Sinter making Iron blast furnace Cupola in foundaries Domestic ovens ANSWER DOWNLOAD EXAMIANS APP
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