Multi Option Question Page 401

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You Are On Multi Choice Question Bank SET 401

20051. A sooty flame can be made non-luminous by

20052. A coal that softens and fuses on heating is

20053. Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

20054. 'Mixed gas' used in steel plants is a mixture of

20055. Orsat apparatus is meant for

20056. Library and Information Science Abstract(LISA)is published by:

20057. Compound coke ovens are those which can be heated by

20058. Assam coals suffers mainly from the disadvantage of high __________ content.

20059. Preheating of coal charge for the coke ovens reduces the

20060. In high temperature carbonisation (as compared to low temperature carbonisation) of coal

20061. Anthracite coal

20062. Number of macrocomponents present in coal according to Stopes are

20063. The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

20064. Yield of charcoal in high temperature carbonisation of wood is about __________ percent.

20065. International Serial Data System(ISDS)is an information centre developed by:

20066. Preheating of a gaseous fuel results in increased

20067. Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of

20068. Fossil fuels mean

20069. Sometimes water is sprayed during coal charging in the coke oven, which helps in

20070. Which of the following is not a binder for coal briquetting ?

20071. The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

20072. Spontaneous combustion of coal on storage results due to

20073. LibQual is a tool for measuring library service quality developed by:

20074. Which of the following is the most poisonous gas ?

20075. Volatile matter content of metallurgical coke may be around __________ percent.

20076. Calorific value of bituminous coal may be around __________ Kcal/kg.

20077. Gobar gas is produced by the __________ of cown dung.

20078. In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

20079. LIS Forum is an email discussion forum run by:

20080. Which of the following coke has the least percentage of ash ?

20081. Soft coke is not

20082. Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

20083. Blast furnace gas constitutes mainly of

20084. A good coking coal should have high __________ content.

20085. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

20086. Largest constituent of coke oven gas is

20087. Fussain

20088. Producer gas comprises mainly of

20089. In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the

20090. Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about

20091. Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)

20092. Which of the following oil gasification processes is non-catalytic ?

20093. Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.

20094. Ulrich’s International Periodical Directory is published by:

20095. Calorific value of coke oven gas is around __________ Kcal/Nm3.

20096. Highly caking coals

20097. Main use of hard coke produced by high temperature carbonisation is in the

20098. Hard pitch is used for making

20099. Supply of excess air for complete combustion of fuel is necessitated to facilitate

20100. Bomb calorimeter can be used to determine the __________ of the coal.

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20051. A sooty flame can be made non-luminous by (adsbygoogle = window.adsbygoogle || []).push({});