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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 of the following finds the least commercial use ?
A Pure iron
B High silicon iron
C Low carbon steel
D High carbon steel
Correct Answer: Pure iron
Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of__________________?
A Stainless steel or glass lined steel
B Nickel clad steel
C High silicon cast iron
D Aluminium
Correct Answer: Stainless steel or glass lined steel
Among the tin containing alloys, ______________ consumes the maximum amount of tin?
A Solder
B White metal
C Pewter metal
D Bronzes
Correct Answer: Solder
Presence of nitrogen in steel___________________?
A Makes it brittle
B Increases its strength
C Increases its hardness
D Is desirable
Correct Answer: Makes it brittle
_____________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working?
A Solid solution hardening
B Screw dislocation
C Strain ageing
D Twinning
Correct Answer: Strain ageing
Beehive coke ovens are made of ________________ bricks?
A Silica
B Fireclay
C Silicon carbide
D Corundum
Correct Answer: Silica
Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system ?
A High silicon iron, silicon rubber, Kel-F and Teflon
B Mild steel and stainless steel
C Cast iron, tin and aluminium
D Copper, nickel and Monel
Correct Answer: High silicon iron, silicon rubber, Kel-F and Teflon
Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by___________________?
A Dilute HCl
B Acetic acid
C Concentrated H2SO4
D None of these
Correct Answer: Acetic acid
Nickel as a material of construction__________________?
A Is used as an alloying element for both ferrous & non-ferrous alloys
B Is paramagnetic below 415° C (its Curie temperature)
C Diamagnetic
D Has a body centred cubic (bcc) crystal lattice structure
Correct Answer: Is used as an alloying element for both ferrous & non-ferrous alloys
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower_________________?
A Price
B Corrosion resistance
C Thermal conductivity
D Abundant availability
Correct Answer: Abundant availability
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