EXAMIANS
Washing of coal decreases its
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Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
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Use of preheated air for combustion of fuel in the furnace, increases the
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Presence of free moisture in coal during its high temperature carbonisation
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Safe condition for storage of high V.M. bituminous coal is that
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The most matured coal out of the following is
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When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal.
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Catalyst used in Fischer-Tropsch process is
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For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³ ), while the C.V. is same on weight basis (i.e., kcal/kg) ?
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The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³.
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