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71
The difference between total carbon and fixed carbon of coal will be minimum in case of
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Answer: Option D
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72
With increase in the oxygen content of the coal, its __________ decreases.
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Answer: Option C
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73
Gobar gas constitutes mainly of
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Answer: Option A
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74
Producer gas comprises mainly of
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Answer: Option A
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75
Flue gas from the heating chamber of byproduct coke ovens is removed by
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Answer: Option D
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76
Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.
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Answer: Option C
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77
Removal of hydrogen from coke oven gas
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Answer: Option A
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78
A coal that softens and fuses on heating is
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Answer: Option C
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79
Coke having higher porosity has
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Answer: Option D
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80
Critical Air Blast (CAB) value of coke is a direct measure of its
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Answer: Option A
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