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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

_____________ nozzles are used in continuous casting of steel?
A Zircon
B Thoria
C Carborundum
D Beryllia
Correct Answer: Zircon
Which one expands on heating ?
A Silica bricks
B Fireclay bricks
C Both A. & B.
D Neither A. nor B.
Correct Answer: Silica bricks
Ferromagnetic ceramic material is not used in the__________________?
A Thermal insulation
B Transformers
C Magnetic switches
D Television sets
Correct Answer: Thermal insulation
Firing of refractory brick is done to __________________?
A Dehydrate the dried refractory
B Develop stable mineral forms in them
C Form ceramic bonds necessary for development of high crushing strength in the finished
D All A., B. and C.
Correct Answer: All A., B. and C.
Silica refractories__________________?
A crack when subjected to sudden change of temperature
B Cannot be used in the dome of hot blast stoves
C Have lower thermal conductivity than fireclay bricks
D All A., B. and C.
Correct Answer: crack when subjected to sudden change of temperature
Which is not a basic refractory ?
A Chrome magnesite
B Magnesite
C Dolomite
D Silicon carbide
Correct Answer: Silicon carbide
Which one contains maximum percentage of Al2O3 ?
A Firebrick
B Sillimanite
C Magnesite
D Aluminous firebrick
Correct Answer: Sillimanite
RUL of refractories depends on the _____________________?
A Chemical composition
B Physical structure
C Presence of impurities like iron & alkali
D All A., B. and C.
Correct Answer: All A., B. and C.
Periclase is___________________?
A Crystalline form of MgO
B MgCO3
C ZrSO4
D Amorphous magnesite
Correct Answer: Crystalline form of MgO
Silica bricks are attacked by basic slags at high temperature. Which of the following is not used solely as a binding material ?
A Aluminium phosphate
B Water
C Lime
D Plaster of Paris
Correct Answer: Water
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