Refractory and Polymer Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Refractory and Polymer Technology, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Refractory and Polymer Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Refractory and Polymer Technology mcq questions that explore various aspects of Refractory and Polymer Technology problems. Each MCQ is crafted to challenge your understanding of Refractory and Polymer Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Refractory and Polymer Technology MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Refractory and Polymer Technology. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Refractory and Polymer Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Refractory and Polymer Technology MCQs | Page 36 of 52

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Discuss
Answer: (c).higher hardness.
Q352.
Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
Discuss
Answer: (c).detergent solution washing
Q353.
Which of the following is generally not drawn into fibre ?
Discuss
Answer: (b).Unsaturated polyesters
Q354.
Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.
Discuss
Answer: (d).250-280
Q355.
Which of the following is not a natural polymer ?
Discuss
Answer: (d).Polyurethane
Q356.
In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
Discuss
Answer: (d).saturated polyester
Q357.
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
Discuss
Answer: (a).acrylic
Q358.
Which of the following is not the commercial name of polymethylmethacrylate (PMMA) ?
Discuss
Answer: (d).Teflon
Q359.
Density of low density polythene is about __________ gm/c.c.
Discuss
Answer: (d).0.91
Q360.
In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
Discuss
Answer: (a).terylene