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Mould Technology 30-09-2020

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The cold chamber process is used for die casting metals that melt at higher temperature such as _______.

a)

aluminium

b)

zinc

c)

lead

d)

plastic

2.

The hot chamber process is used for die casting metals that melt at lower temperatures such as _________.

a)

Aluminium

b)

Zinc

c)

Brass

d)

Plastic

3.

The process of forming hollow articles from a soften plastic tube is ____________.

a)

blow moulding

b)

thermoforming

c)

rotational moulding

d)

extrusion

4.

The soften plastic tube used for blow moulding is called as ________

a)

harrison

b)

parison

c)

extrusion

d)

tube

5.

In _______ process the flat sheet material is converted to a three dimensional shape.

a)

Thermo forming

b)

Extrusion

c)

Injection

d)

Transfer moulding

6.

Thermoforming is also known as __________ forming.

a)

Vacuum

b)

Injection

c)

Rotational

d)

Extrusion

7.

The _________ moulding process is also known as Rotoforming.

a)

Injection

b)

Transfer

c)

Rotational

d)

Blow

8.

The hot chamber process is used for die casting metals that melt at _______ temperatures.

a)

lower

b)

medium

c)

higher

d)

very higher

9.

The cold chamber process is used for die casting metals that melt at _______ temperatures.

a)

lower

b)

medium

c)

higher

d)

very lower

10.

Plastics water bottles are manufactured by __________ process.

a)

Thermo forming

b)

Extrusion

c)

Blow moulding

d)

Roto moulding