EXAMIANS
The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³.
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Presence of __________ in a dry gaseous fuel does not contribute to its calorific value.
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Low temperature oxidation of coal during storage does not decrease its
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For maximum discharge through a chimney, its height should be
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High ash containing coke
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The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called
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A sample of natural gas containing 80% methane (CH₄) and rest nitrogen (N₂) is burnt with 20% excess air. With 80% of the combustibles producing CO₂ and the reminder going to CO, the Orsat analysis in volume percent is
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A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be
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Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ?
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Which of the following fuel gases is heavier than air?
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