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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

German silver in an alloy of________________?
A Copper, nickel and zinc
B Copper, aluminium and silver
C Silver, zinc and aluminium
D Silver, nickel and zinc
Correct Answer: Copper, nickel and zinc
Work hardening of a material ________________?
A Decreases its tensile strength
B Decreases its ductility
C Increases its ductility
D Does not affect its ductility
Correct Answer: Decreases its ductility
Which of the following is a non-magnetic material ?
A Cobalt
B Zinc
C Nickel
D None of these
Correct Answer: Zinc
18/8 steel is a/an __________ stainless steel ?
A Austenitic
B Ferritic
C Martensitic
D None of these
Correct Answer: Austenitic
Percentage elongation of a material is a measure of its _______________________?
A Ductility
B Brittleness
C Toughness
D Malleability
Correct Answer: Ductility
Tin vessels are corroded by____________________?
A Anhydrous ammonia
B Aromatic solvents
C Synthetic detergent solution
D None of these
Correct Answer: None of these
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 HCI
B Acetic acid
C Concentrated H2SO4
D None of these
Correct Answer: Acetic acid
Presence of high amount of silicon in cast iron________________?
A Suppresses the decomposition of Fe3C
B Increases the formation of graphite
C Increases the contraction of the metal
D Reduces its fluidity
Correct Answer: Increases the formation of graphite
The main purpose of galvanising iron sheets is to___________________?
A Harden the surface
B Increase its glossiness and lustre
C Prevent the action of water
D Prevent the action of oxygen
Correct Answer: Prevent the action of water
The temperature at which new grains are formed in the metal is called the ______________ temperature?
A Eutectic
B Recrystallisation
C Upper critical
D Lower critical
Correct Answer: Recrystallisation
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