Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Oxidation Coalification Carbonisation Gasification Oxidation Coalification Carbonisation Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gobar gas is produced by the __________ of cown dung. Hydrogenation None of these Oxidation Fermentation Hydrogenation None of these Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 2000 300 5000 10000 2000 300 5000 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A certain thickness of the coal, if stored unscientifically on soft (katcha) ground having no metallic/concrete flooring gets sunked into the ground, which is termed as the 'carpet loss'. The carpet loss may be of the order of __________ cms. 5 to 15 1 to 2 3 to 4 20 to 40 5 to 15 1 to 2 3 to 4 20 to 40 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 MgCO₃ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ BaSO₄ & NaCl MgCO₃ & NaCl MgO & Na₂CO₃ MgSO₄ & BaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Variation in the pitch of the fan blades Damper All of these Speed of the fan Variation in the pitch of the fan blades Damper All of these Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
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