Multi Option Question Page 681

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You Are On Multi Choice Question Bank SET 681

34051. Most of the coking coals are

34052. Gobar gas constitutes mainly of

34053. High ash containing coke

34054. Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen.

34055. Coal is pulverised before burning in large capacity boiler furnaces mainly to

34056. DDC is presently published by:

34057. Which of the following is a single stage, fixed bed high pressure coal gasification process ?

34058. Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.

34059. In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by

34060. Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm3/ton coal (ash = 35%).

34061. Which of the following is a primary fuel ?

34062. Combustion of pulverised coal compared to the lumpy coal

34063. The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always

34064. A coal with high __________ content, would ignite most easily.

34065. KOH solution used in orsat apparatus absorbs

34066. During coking of coal, the ash content (percentage)

34067. 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.

34068. The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to

34069. The weathering index of a coal

34070. Bright coal

34071. Dictionary Catalogue Code(1946)is developed by:

34072. Calorific value of of blast furnace gas is around __________ KCal/Nm3.

34073. In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.

34074. Coal tar (produced by high temperature carbonisation) is the main source of

34075. The calorific value is the highest out of the following for

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34051. Most of the coking coals are (adsbygoogle = window.adsbygoogle || []).push({});