Explore topic-wise MCQs in Manufacturing Engineering.

This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Thermosetting plastics become softer upon heating.

A. True
B. False
Answer» C.
Discussion
2.

Thermoplastics become softer upon heating.

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

Which of the following is a secondary bond network of thermoplastics?

A. 1-Dimensional
B. 3-Dimensional
C. 2-Dimensional
D. 0-Dimensional
Answer» B. 3-Dimensional
Discussion
4.

Thermoplastics have _____________

A. 1-Degree bond
B. 2-Degree bond
C. 3-Degree bond
D. 0-Degree bond
Answer» C. 3-Degree bond
Discussion
5.

Which of the following is a primary bond network of thermosetting plastics?

A. 1-Dimensional
B. 3-Dimensional
C. 2-Dimensional
D. 0-Dimensional
Answer» C. 2-Dimensional
Discussion
6.

Thermosetting plastics have ____________

A. 1-Degree bond
B. 2-Degree bond
C. 3-Degree bond
D. 0-Degree bond
Answer» B. 2-Degree bond
Discussion
7.

The polymerization of two or more chemically different monomers forming a cross link polymer along with a by-product (can be either water or ammonia) is termed as ____________

A. is termed as ____________a) addition polymerization
B. copolymerization
C. condensation polymerization
D. chain-growth polymerization
Answer» D. chain-growth polymerization
Discussion
8.

The polymerization of two or more chemically different monomers forming a long molecular chain is termed as ____________

A. addition polymerization
B. copolymerization
C. condensation polymerization
D. chain growth polymerization
Answer» C. condensation polymerization
Discussion
9.

The polymerization of two or more chemically similar monomers forming a long molecular chain is termed as ____________

A. addition polymerization
B. copolymerization
C. condensation polymerization
D. step-growth polymerization
Answer» B. copolymerization
Discussion
10.

THERMOSETTING_PLASTICS_BECOME_SOFT_ON_HEATING.?$

A. True
B. False
Answer» C.
Discussion
11.

THERMOPLASTICS_BECOME_SOFT_ON_HEATING.?$

A. True
B. False
Answer» B. False
Discussion
12.

Secondary bond network of thermoplastic is ?

A. 1-Dimensional
B. 3-Dimensional
C. 2-Dimensional
D. None of the mentioned
Answer» B. 3-Dimensional
Discussion
13.

Thermoplastics have

A. 1 degree bond
B. 2 degree bond
C. 3 degree bond
D. None of the mentioned
Answer» C. 3 degree bond
Discussion
14.

Primary bond network of thermosetting plastic is :

A. 1-Dimensional
B. 3-Dimensional
C. 2-Dimensional
D. None of the mentioned
Answer» C. 2-Dimensional
Discussion
15.

Thermosetting plastics have

A. 1 degree bond
B. 2 degree bond
C. 3 degree bond
D. None of the mentioned
Answer» B. 2 degree bond
Discussion
16.

Which of the following additive is used as an initiator in polymerization reaction?

A. Benzoyl peroxide
B. Mica
C. Glass powder
D. Hydrogen peroxide
Answer» E.
Discussion
17.

When two or more chemically different monomers are polymerized to form a cross link polymer along with some byproduct such as water or ammonia then the process is known as :

A. Addition polymerization
B. Copolymerization
C. Condensation polymerization
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
18.

When two or more chemically different monomers are polymerized to form a long molecular chain then the process is known as :

A. Addition polymerization
B. Copolymerization
C. Condensation polymerization
D. None of the mentioned
Answer» C. Condensation polymerization
Discussion
19.

When two or more chemically similar monomers are polymerized to form a long molecular chain then the process is known as :

A. Addition polymerization
B. Copolymerization
C. Condensation polymerization
D. None of the mentioned
Answer» B. Copolymerization
Discussion