Chemical Engineering MCQs

Page No. 341

The monomer of poly vinyl chloride (PVC) is__________________?


aChloroethane


bEthylene dichloride


cEthyl chloride


dChloroform


View Answer Chloroethane

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the_________________?


aHexamethylene diamine and the ring


bHexamethylene diamine and the adipic acid


cAdipic acid and the ring


dNone of these



_____________ is not a polyester fiber?


aTerylene


bDacron


cNylon


dPolyacrylonitrile


View Answer Nylon

Neoprene is rendered non-inflammable, because of_____________________?


aIts cross-linked structure


bIts linear chain structure


cThe presence of chlorine atoms in its monomer


dThe absence of chlorine atoms in its monomer



Thermosetting polymers as compared to thermoplastic polymers_____________________?


aAre formed by addition polymerisation


bHave three dimensional structure


cHave linear structure


dNone of these



Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?


aFor surface coating of automobiles & air crafts


bFor fibre making


cAs plasticiser for PVC & nitrocellulose


dFor film forming materials


View Answer For fibre making

Orion is_________________?


aA copolymer


bA condensation polymer


cObtained by polymerising vinyl cyanide


dAll A., B. and C.



Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are__________________?


a5°C and 1 kgf/cm2


b– 20°C and 1 kgf/cm2


c0°C and 1 kgf/cm2


d0°C and 3 kgf/cm2


View Answer 5°C and 1 kgf/cm2

Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?


aPhosphorous


bCarbon black


cPine oil


dRosin


View Answer Carbon black

Vulcanisation of rubber decreases its__________________?


aTensile strength


bResistance to organic solvents


cTackiness


dWorking temperature range


View Answer Tackiness

Goto Page No.

Page 341 of 843

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan