Q. Insitu theory and drift theory are related to the

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Q. Pick out the wrong statement.

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Q. Heat penetration rate in narrow coke ovens in high temperature carbonisation of coal is around __________ cm/hr.

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Q. Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ?

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Q. Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ?

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Q. Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of

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Q. Pick out the wrong statement.:

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Q. A good metallurgical coke should have very low

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Q. Cannel coal

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Q. Coals used for the generation of producer gas should have

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Q. A coal having higher volatile matter content will necessarily have lower

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Q. Pick out the wrong statement.

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Q. Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent.

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Q. With increases in carbonisation temperature

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Q. Moisture loss is determined by the

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Q. Purity of coke means that, it is high in carbon and low in

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Q. Largest constituent of blast furnace gas is

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Q. Out of the following, which is the most important parameter for the blast furnace grade coke ?

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Q. Presence of nitrogen in combustion air does not reduce the

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Q. In flue gas analysis by Orsat's apparatus, oxygen is absorbed by

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