Engineering Chemistry Elastomers 1 Online Exam Quiz
Engineering Chemistry Elastomers 1 GK Quiz. Question and Answers related to Engineering Chemistry Elastomers 1. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Elastomers 1
The temperature at which raw rubber is heated for the vulcanisation process is ____________
Options
A : 0-10 0C
B : 10-50 0C
C : 50-100 0C
D : 100-140 0C
The tensile strength(kg/cm 2) of vulcanised rubber is ____________
Options
A : 200
B : 2000
C : 500
D : 5000
The structural formula of isoprene is ____________
Options
A : 2-benzyl-1,3-butadiene
B : 2-methyl-1,3-butadiene
C : 3-benzyl-1,2-butadiene
D : 3-methyl-1,2-butadiene
The percentage of butadiene and styrene in Buna-S is ____________
Options
A : 50% each
B : 60% and 40% respectively
C : 80% and 20% respectively
D : 75% and 25% respectively
Which of the following is not the essential structural requirement of an elastomer?
Options
A : Long flexible chains
B : Weak intermolecular forces
C : Rigidity in structure
D : Occasional cross-linking
In the vulcanisation process, the raw rubber is heated with ____________
Options
A : Oxygen
B : Sulphur
C : Carbon
D : Calcium
Natural rubber is ____________
Options
A : Poly isoprene
B : Ethylene glycol
C : Butadiene
D : Acrylonitrile
The amount of sulphur added determines the extent of stiffness of vulcanised rubber.
Options
A : True
B : False
C :
D :
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Engineering Chemistry Desalination Brackish Water
Engineering Chemistry Detergents
Engineering Chemistry Determination Calorific Value Solid Non Volatile Liquid Fuels 1
Engineering Chemistry Distillation
Engineering Chemistry Efficiency Combustion
Engineering Chemistry Electromeric Effect
Engineering Chemistry Electronic Spectroscopy
Engineering Chemistry Electrophilic Substitution Reaction 1