Engineering Chemistry Thermoplastic Polymers 1 Online Exam Quiz
Engineering Chemistry Thermoplastic Polymers 1 GK Quiz. Question and Answers related to Engineering Chemistry Thermoplastic Polymers 1. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Thermoplastic Polymers 1
The crystallinity of LDPE is ____________
Options
A : 10%
B : 30%
C : 55%
D : 80-90%
LDPE is prepared by polymerising ethylene at a pressure of ____________
Options
A : 100-200 atmospheres
B : 1000-5000 atmospheres
C : 10-100 atmospheres
D : 2-10 atmospheres
The softening temperature of HDPE is ____________
Options
A : 200C
B : 850C
C : 1350C
D : 1500C
Polythene is prepared by the process of __________________ polymerisation of ethylene.
Options
A : Addition
B : Condensation
C : Living
D : Free-radical
The thermoplastic is ____________
Options
A : Cross-linked
B : Insoluble
C : Amorphous
D : Held by a covalent bond
Which of the following is not an example of thermoplastic?
Options
A : Nylon
B : Polyester
C : PVC
D : Vulcanised rubber
LDPE is suitable for the manufacture of pipes for distribution of gas.
Options
A : True
B : False
C :
D :
The ethylene is polymerised under in the presence of ____________
Options
A : Zeigler Natta catalyst
B : Supported metal oxide catalyst
C : Lewis acids catalyst
D : Friedel crafts catalyst
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