Engineering Chemistry Thermosetting Polymers Online Exam Quiz
Engineering Chemistry Thermosetting Polymers GK Quiz. Question and Answers related to Engineering Chemistry Thermosetting Polymers. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Thermosetting Polymers
Which of the following is not an example of thermosets?
Options
A : Epoxy
B : Teflon
C : Vulcanised rubber
D : Bakelite
Which of the following condition is not true for the formation of Resite?
Options
A : Excess of formaldehyde
B : Base catalyst
C : Acid catalyst
D : Neutral or acidic conditions and heat
Which of the following condition is not true for the formation of Bakelite?
Options
A : Excess of phenol
B : Excess of formaldehyde
C : Acid catalyst
D : Heat and curing agent
Which of the following is not an application of phenolic resins?
Options
A : Finishing of cotton textiles
B : Distributor heads of car
C : Domestic plugs and switches
D : Adhesives for grinding wheels
The condensation product of phenol and formaldehyde is known as _________
Options
A : Phenolic resins
B : Urea formaldehyde resins
C : Polyvinyl chloride
D : Polystyrene
Select the incorrect statement about the Urea formaldehyde resins from the following option.
Options
A : They are clear and colorless
B : They have good adhesive characteristics
C : They have low hardness and tensile strength than PF resins
D : They have excellent abrasion resistance
Urea formaldehyde resins are used as adhesives for plywood and furniture.
Options
A : True
B : False
C :
D :
The neighbouring polymeric chains in thermosets are held together by ____________
Options
A : Vander Waal’s force
B : Hydrogen bond
C : Covalent bond
D : Electrovalent bond
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