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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 one occupies the lowermost position in the electromotive series of metals ?
A Aluminium
B Noble metals (Ag, Pt, Au)
C Zinc
D Alkali metals (K, Na, Li)
Correct Answer: Noble metals (Ag, Pt, Au)
Ferric stainless steels compared to austenitic stainless steels________________?
A Have lower corrosion resistance
B Are harder to fabricate
C Are less ductile and hence less suitable for cold pressing
D All A., B. and C.
Correct Answer: All A., B. and C.
Reduction in the grain size reduces the _______________ of the material?
A Fatigue resistance
B Tensile strength
C Creep resistance
D All A., B. & C.
Correct Answer: Creep resistance
______________ iron is produced, when molten pig iron is allowed to cool gradually?
A White cast
B Grey cast
C Wrought
D None of these
Correct Answer: Grey cast
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with__________________?
A Acidic refractory
B Rubber
C Karbate
D Lead or acid-proof bricks
Correct Answer: Lead or acid-proof bricks
Maximum carbon content in cast iron is ______________ percent?
A 3.8
B 5.2
C 4.8
D 4.3
Correct Answer: 4.3
Cast iron is__________________?
A Used for making shock resisting parts
B Manufactured in cupola and is brittle
C Having compressive strength more than its tensile strength
D All A., B. & C.
Correct Answer: All A., B. & C.
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with______________?
A Acidic refractory
B Rubber
C Karbate
D Lead or acid proof bricks
Correct Answer: Acidic refractory
Manganese in steel affects its__________________?
A Ductility
B Tensile strength
C Hardness
D None of these
Correct Answer: Ductility
High carbon steel contains more than _____________ percent carbon?
A 0.5
B 2.2
C 2.5
D 2.8
Correct Answer: 0.5
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