Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Addition polymerisation can be carried out in _________ mechanisms.

A. Two
B. Three
C. Four
D. Five
Answer» C. Four
2.

Blowing otherwise called as _________

A. Air blow technique
B. Bubbling
C. Bubble casting
D. Bubble blowing
Answer» D. Bubble blowing
3.

The rubber coagulates into soft _________ colour mass.

A. Yellow
B. Light yellow
C. White
D. Light pink
Answer» D. Light pink
4.

Plasticizers are used to get the ___________ between the polymeric molecules.

A. Attraction
B. Freedom of movement
C. Pi-bond
D. Sigma bond
Answer» C. Pi-bond
5.

BUNA – N is a co-polymer of ___________ and __________

A. Butadiene, acrylonitrile
B. Sodium poly sulphide, ethylene dichloride
C. Benzene, ethylene
D. Acetaldehyde, ethyl alcohol
Answer» B. Sodium poly sulphide, ethylene dichloride
6.

The heating and cooling of the thermo plastics _________the chemical nature.

A. Alters
B. Do not alters
C. Alters slightly
D. May be alters
Answer» C. Alters slightly
7.

Combination of the organic and inorganic polymers are called as _________

A. Element organic polymers
B. Inorganic polymers
C. Fibres
D. Thermoplastics
Answer» B. Inorganic polymers
8.

Lubricants are used to prevent the moulded article from _________

A. Rusting
B. Sticking
C. Not sticking
D. Burning
Answer» C. Not sticking
9.

The article in the transfer moulding are __________

A. Cured very fast
B. Cured incompletely
C. Cured uniformly
D. Cured moderately
Answer» D. Cured moderately
10.

The thermo plastics resins are usually soluble in _________

A. Organic solvents
B. Only in some organic solvents
C. Polar solvents
D. Only in water
Answer» B. Only in some organic solvents
11.

Thermo setting plastics are formed by_________

A. Step polymerisation
B. Suspension polymerisation
C. Emulsion polymerisation
D. Co-ordination polymerisation
Answer» B. Suspension polymerisation
12.

In BUNA – S, the BU stands for ________

A. Butadiene
B. Butane
C. Butaraldehyde
D. 3-Butanoic acid
Answer» B. Butane
13.

While producing the smoked rubber, the filtered latex is fed into long rectangular tanks of _________ deep.

A. 1m
B. 2m
C. 50cm
D. 30cm
Answer» E.
14.

Catering is done by the ________

A. MATER BI
B. Teflon
C. Dacron
D. Poly lactic acid
Answer» B. Teflon
15.

The ionic mechanism again divided into _____________

A. Two
B. Three
C. Four
D. Five
Answer» B. Three