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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

In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
A PTFE
B Buna-S
C PMMA
D Polycaprolactam
Correct Answer: Buna-S
Properties of a polymer is affected by the____________________?
A Chain length
B Intermolecular forces
C Both A. and B.
D None of these
Correct Answer: Both A. and B.
Nylon-66 is manufactured from ____________________?
A Adipic acid and Hexamethylene diamine
B Caprolactam
C Maleic anhydride and Hexamethylene diamine
D Dimethyl terephthalate (DMT) and ethylene glycol
Correct Answer: Adipic acid and Hexamethylene diamine
Poly-tetra-fluoro ethylene (PTFE) is known as_________________?
A Dacron
B Teflon
C Bakelite
D Celluloid
Correct Answer: Teflon
Density of low density polythene is about ____________ gm/c.c?
A 0.38
B 0.56
C 0.81
D 0.91
Correct Answer: 0.91
Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?
A -20 to 25
B 50 to 75
C 100 to 150
D 250-280
Correct Answer: 250-280
Scouring is a finishing operation during the manufacture of fibre, which aims at ______________ of fibres?
A Improving the stretchability
B Dyeing/colouring
C Detergent solution washing
D Glycol soaking
Correct Answer: Detergent solution washing
In condensation polymerisation as compared to addition polymerisation____________________?
A The monomers are unsaturated compounds
B No co-product is lost
C The monomers contain two functional groups
D Generally only one monomer is involved
Correct Answer: The monomers contain two functional groups
Polyvinyl acetate is never used for making_________________?
A Moulded articles
B Fibres
C Adhesives
D All A., B. & C.
Correct Answer: Moulded articles
Thermosetting resins/polymers as compared to thermoplastic ones are ____________________?
A Soluble in all organic solvents
B More brittle
C Formed by addition polymerisation only
D Easily reshaped & reused
Correct Answer: More brittle
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