Engineering Chemistry Adhesives Advantages Limitations Online Exam Quiz
Engineering Chemistry Adhesives Advantages Limitations GK Quiz. Question and Answers related to Engineering Chemistry Adhesives Advantages Limitations. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Adhesives Advantages Limitations
The bond energy of a metallic bond is ____________
Options
A : 600-1200 kJ/mol
B : 60 kJ/mol
C : 20 kJ/mol
D : 100-350 kJ/mol
Which of the following adhesive is prone to brittle failure?
Options
A : Acrylic polyester
B : PF resin
C : UF resin
D : Epoxy
Collodion is a mixture of cellulose nitrate with ____________
Options
A : Alcohol
B : Ketone
C : Carboxylic acid
D : Phenol
Corrosion of metals at the joints is minimized by joining dissimilar metals with adhesives because ____________
Options
A : Direct metal to metal contact is avoided
B : Adhesive act as a lubricator at the joints
C : Metals are covered with adhesives
D : Adhesives prevent the exposure to environment
Which of the following is not an example of thermosetting synthetic resins?
Options
A : Epoxy
B : Acrylic polyester
C : Cellulose derivatives
D : Silicones
The epoxy resins are the _______________ products of epichlorohydrin and bisphenol.
Options
A : Free radical
B : Addition
C : Ion-exchange
D : Condensation
The strength of adhesive joint is _____________ than mechanical joint obtained by welding or riveting.
Options
A : More
B : Less
C : Equals to
D : Very less
The substances which are capable of uniting two other materials together by adhering strongly to the surface of both are called ____________
Options
A : Organic conducting polymers
B : Biodegradable polymers
C : Adhesives
D : Composites
Emulsion adhesives are based on ____________
Options
A : Polyurethane
B : Collodion
C : Urea-formaldehyde
D : Polyvinyl acetate
Which of the following is used as curtain-wall sealants?
Options
A : Polyurethane
B : Silicones
C : Polyvinyls
D : Cellulose derivatives
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