Explore topic-wise MCQs in Engineering Chemistry.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Select the incorrect statement about the Urea formaldehyde resins from the following option.

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
Answer» D. They have excellent abrasion resistance
Discussion
2.

Urea formaldehyde resins are used as adhesives for plywood and furniture.

A. True
B. False
Answer» B. False
Discussion
3.

Which of the following is not an application of phenolic resins?

A. Finishing of cotton textiles
B. Distributor heads of car
C. Domestic plugs and switches
D. Adhesives for grinding wheels
Answer» B. Distributor heads of car
Discussion
4.

Which of the following condition is not true for the formation of Resite?

A. Excess of formaldehyde
B. Base catalyst
C. Acid catalyst
D. Neutral or acidic conditions and heat
Answer» D. Neutral or acidic conditions and heat
Discussion
5.

The condensation product of phenol and formaldehyde is known as _________

A. Phenolic resins
B. Urea formaldehyde resins
C. Polyvinyl chloride
D. Polystyrene
Answer» B. Urea formaldehyde resins
Discussion
6.

The neighbouring polymeric chains in thermosets are held together by ____________

A. Vander Waal s force
B. Hydrogen bond
C. Covalent bond
D. Electrovalent bond
Answer» D. Electrovalent bond
Discussion