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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Which furnace consumes maximum refractory annually in an integrated steel plant ?
A Soaking pit
B Blast furnace
C L.D. converter
D Coke ovens
Correct Answer: L.D. converter
Tar bonded dolomite bricks__________________?
A Are stored under controlled temperature & humidity to avoid hydration
B Are used in outer lining of L.D. converters
C Have poorer hydration resistance than pitch bonded bricks
D All A., B. and C.
Correct Answer: All A., B. and C.
Rate of slag attack on refractories increases with rise in temperature due to the___________________?
A Decreased viscosity of slag
B Increased thermal conductivity of brick
C Oxidising condition in the furnace
D None of these
Correct Answer: Decreased viscosity of slag
Sillimanite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in________________?
A Pottery furnace
B Glass melting furnace
C Crucibles
D Gas retorts
Correct Answer: Gas retorts
Cold crushing strength of fireclay bricks is about ______________ kgf/cm2?
A 50-100
B 100-150
C 200-400
D 500-1000
Correct Answer: 200-400
Tar dolomite bricks are used in the_________________?
A Basic Bessemer converter
B Basic open hearth furnace
C Electric furnaces
D All A., B. and C.
Correct Answer: All A., B. and C.
Which is a basic refractory ?
A Fireclay
B Silica
C Chrome magnesite
D None of these
Correct Answer: Chrome magnesite
Magnesite refractories have low resistance to___________________?
A Attack by basic slag
B Abrasion
C Disintegration on sudden change of temperature
D Both B. and C.
Correct Answer: Both B. and C.
Silica bricks have low spalling resistance below 600°C, due to its________________?
A Very high thermal conductivity
B High co-efficient of expansion upto this temperature
C High thermal diffusivity
D Low refractoriness
Correct Answer: High co-efficient of expansion upto this temperature
Periclase refractory contains mainly________________?
A CaO
B MgO
C Al2O3
D SiO2
Correct Answer: MgO
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