Recovery of alumina from red mud is the most difficult process during the manufacture of aluminium.(a) True(b) FalseThis question was addressed to me during a job interview.The origin of the question is Aluminum topic in section Metallurgical Industries of Chemical Technology

Recovery of alumina from red mud is the most difficult process during

1.	Recovery of alumina from red mud is the most difficult process during the manufacture of aluminium.(a) True(b) FalseThis question was addressed to me during a job interview.The origin of the question is Aluminum topic in section Metallurgical Industries of Chemical Technology
Answer» Right choice is (a) True For explanation I would say: Recovery of alumina from RED MUD discharged from the thickener is the major engineering problem in the MANUFACTURE of aluminium. Alternative method is to calcine the mud with lime and soda ash to form SODIUM aluminate which can be leached.

Discussion

No Comment Found

Related InterviewSolutions

Lead is used as a sheathing material on cables.(a) True(b) FalseI got this question in examination.This question is from Lead topic in section Metallurgical Industries of Chemical Technology
How is crystallization of trihydrate induced while manufacturing aluminium?(a) Mixing(b) Cooling(c) Heating(d) AgitationI got this question during an interview.The above asked question is from Aluminum in portion Metallurgical Industries of Chemical Technology
What is the temperature of the blast furnace in steel plants?(a) 100°C(b) 1000°C(c) 500°C(d) 2200°CThe question was asked by my college director while I was bunking the class.My question comes from Steel in division Metallurgical Industries of Chemical Technology
Which among the following is an essential chemical reaction for the manufacture of pig iron?(a) Fe2O3 + 3C → 2Fe + 3CO(b) FeS + C → Fe + CS(c) Fe3O4 + S → 3Fe + SO4(d) Fe2O3 + S → 2Fe + SO3This question was posed to me by my college director while I was bunking the class.Question is taken from Iron topic in division Metallurgical Industries of Chemical Technology
How is alumina converted to aluminium?(a) Heating(b) Cooling(c) Electrolytically using an aluminium smelting cell(d) Adding cokeThis question was posed to me in quiz.This question is from Aluminum topic in chapter Metallurgical Industries of Chemical Technology
Which among the following is a major source of aluminium oxide?(a) Hematite(b) Siderite(c) Magnetite(d) BauxiteI have been asked this question in my homework.My question is taken from Aluminum in section Metallurgical Industries of Chemical Technology
Which among the following is an ore of copper?(a) Hematite(b) Magnetite(c) Chalcopyrite(d) SideriteThe question was asked at a job interview.My question is taken from Copper topic in chapter Metallurgical Industries of Chemical Technology
Coke consumption can be reduced in the manufacture of pig iron.(a) False(b) TrueThis question was addressed to me in unit test.The query is from Iron topic in section Metallurgical Industries of Chemical Technology
Which is the third most extensively used non-ferrous metal?(a) Lead(b) Copper(c) Zinc(d) AluminiumThis question was posed to me in semester exam.This is a very interesting question from Zinc topic in section Metallurgical Industries of Chemical Technology
Recovery of alumina from red mud is the most difficult process during the manufacture of aluminium.(a) True(b) FalseThis question was addressed to me during a job interview.The origin of the question is Aluminum topic in section Metallurgical Industries of Chemical Technology

Recovery of alumina from red mud is the most difficult process during the manufacture of aluminium.(a) True(b) FalseThis question was addressed to me during a job interview.The origin of the question is Aluminum topic in section Metallurgical Industries of Chemical Technology

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment