Manufacturing Technology (3151912) MCQ

MCQs of Plastic Technology

MCQ No - 1

Thermosetting plastics

(A)

Soften on the application of heat and can be repeatedly moulded

(B)

Will not deform when again subjected to heat

(C)

Are produced on a synthetic resin base

(D)

Are synthetic base resins having a predefined setting temperature


B
MCQ No - 2

 Other than elasticity and rubber like material, the important property of polyvinyl chloride (PVC) is

(A)

Odourless

(B)

Colourability

(C)

Non-flammable

(D)

Impervious to water


C
MCQ No - 3

Filler is used in plastics to

(A)

Completely fill up the voids created during manufacturing

(B)

Improve plasticity, strength and toughness

(C)

Provide colour, strength, impact and resistance and reduce cost

(D)

To accelerate the condensation and polymerisation


C
MCQ No - 4

Which of the following moulding methods is generally not used for thermoplastic materials

(A)

Extrusion

(B)

Injection

(C)

Casting

(D)

Calendering


C
MCQ No - 5

The moulding process employed for thermoplastic material is

(A)

Injection and extrusion methods

(B)

Compression and transfer moulding methods

(C)

Similar to thermosetting plastics except that higher temperature is used

(D)

Similar to thermosetting plastics except that a lower temperature is used


A