Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

______________are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?

A Unsaturated polyester

B Alkyd resins

C Saturated polyester

D Amino resins

Review Detailed Answer

Correct Answer: Alkyd resins

Addition of stabiliser during PVC manufacture is done to________________?

A Improve its impact strength

B Improve its elasticity

C Reduce the melt viscosity & glass transition temperature

D Prevent its thermal degradation

Review Detailed Answer

Correct Answer: Prevent its thermal degradation

Amino resins are used in paper treatment to improve its__________________?

A Wet tear and bursting strength

B Folding endurance

C Wet rub resistance

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Addition polymerisation is not involved in the manufacture of_______________?

A Low density polythene

B Poly vinyl chloride

C Polystyrene

D Polyhexamethylene adipamide

Review Detailed Answer

Correct Answer: Polyhexamethylene adipamide

Which of the following is not a thermoplastic material ?

A Epoxy polymer

B PVC

C Polystyrene

D Polythene

Review Detailed Answer

Correct Answer: Epoxy polymer

Nylon-6 as compared to nylon 66 has lower ?

A Abrasion resistance

B Thermal stability

C Adhesion to rubber

D Hardness

Review Detailed Answer

Correct Answer: Abrasion resistance

Identify the group in which all the polymers mentioned can be used to make fibres ?

A Butadiene copolymers, Polyamides, Urea-formaldehyde

B Cellulose derivatives, Polyisoprene, Polyethylene

C Cellulose derivatives, Polyamides, Polyurethane

D Polypropylene, Poly vinyl chloride, Silicon

Review Detailed Answer

Correct Answer: Cellulose derivatives, Polyisoprene, Polyethylene

Nylon-6 is manufactured from _______________?

A Caprolactam

B Adipic acid and Hexamethylenediamine

C Maleic anhydride and Hexamethylenediamine

D Sebacic acid and Hexamethylenediamine

Review Detailed Answer

Correct Answer: Caprolactam

Epoxy resins (i.e., epoxide polymers) ?

A Are made by addition polymerisation reaction only

B Contain an epoxy group (fig bellow) at the ends of the polymer

C Are cross-linked polymers only

D Use emulsion polymerisation methods

Review Detailed Answer

Correct Answer: Contain an epoxy group (fig bellow) at the ends of the polymer

Which of the following polymers belong to the class of formaldehyde resin ?

A Melamine resins

B Teflon

C Dacron

D None of these

Review Detailed Answer

Correct Answer: Melamine resins

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

______________are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?

Addition of stabiliser during PVC manufacture is done to________________?

Amino resins are used in paper treatment to improve its__________________?

Addition polymerisation is not involved in the manufacture of_______________?

Which of the following is not a thermoplastic material ?

Nylon-6 as compared to nylon 66 has lower ?

Identify the group in which all the polymers mentioned can be used to make fibres ?

Nylon-6 is manufactured from _______________?

Epoxy resins (i.e., epoxide polymers) ?

Which of the following polymers belong to the class of formaldehyde resin ?