wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CP01 SEM V-COMPRESSION MOULD(MOULD TECH)

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Q1. The purpose of preheating of Preforms is to ________.

a)

reduce weight

b)

increase hardness

c)

remove moisture

d)

heat fast

2.

Q2. In compression moulding the mould temperature ranges from _________.

a)

100-250˚C

b)

130-350˚C

c)

120-250˚C

d)

115-280˚C

3.

This final cure time for a very small thin walled part in compression moulding is as low as _____________.

a)

10sec

b)

20sec

c)

30sec

d)

40sec

4.

The process of heating and compressing the preform material in to the mould is ___________.

a)

Blow moulding

b)

Transfer moulding

c)

Injection moulding

d)

Compression moulding

5.

In compression moulds, polymerization of plastic takes place in _____________.

a)

machine

b)

mould

c)

material

d)

hopper

6.

The plastic used in compression molding is __________.

a)

thermoset plastic

b)

thermo plastic

c)

PMMA

d)

PVC

7.

Thermoset Plastic parts are manufactured by __________ process.

a)

Compression moulding

b)

Blow moulding

c)

Rotational moulding

d)

Extrusion

8.

In Compression mould the entrapped air is released by _____________.

a)

hand

b)

degassing

c)

hole

d)

compressure

9.

Externally landed positive mould is also called as _______________.

a)

Open flash mould.

b)

Horizontal flash mould.

c)

Vertical flash mould.

d)

Semi positive mould.

10.

Internally landed positive mould is also called as ________________.

a)

Open flash mould.

b)

Horizontal flash mould.

c)

Vertical flash mould.

d)

Semi positive mould.