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71
Low temperature oxidation of stored coal results in the
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Answer: Option D
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72
Adiabatic flame temperature of a fuel is dependent on the initial temperature of
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Answer: Option C
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73
Pure carbon is completely burnt in oxygen. The flue gas analysis is 70% CO2, 20% CO and 10% O2. The percent excess oxygen used is
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Answer: Option C
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74
Which of the following is not a product of tar distillation?
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Answer: Option D
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75
Steam is intermittently admitted into the fuel bed during the production of producer gas to
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Answer: Option D
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76
High rate of heating of coke ovens
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Answer: Option A
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77
By-products are __________ recovered in 'Beehive ovens'.
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Answer: Option C
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78
Naphthalene is removed from coke oven gas by
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Answer: Option A
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79
__________ of the coal is the basis for Seylor's coal classification.
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Answer: Option B
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80
Low temperature oxidation of coal during storage does not decrease its
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Answer: Option D
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