wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Mould Technology 15-09-2020

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Transfer molding is a process of molding ___________ material in a closed mold.

a)

thermoset plastic

b)

thermoplastic

c)

PP

d)

PVC

2.

In a _________ transfer mould design the resin is heated and liquified in a transfer chamber provided in the mould.

a)

Plunger

b)

Pot

c)

Vertical

d)

Horizontal

3.

In pot transfer moulding ___________ is the heated and liquified in a pot.

a)

oil

b)

water

c)

plasticizer

d)

resin

4.

In a _______ transfer mould the material is injected by an auxiliary ram.

a)

Pot

b)

Plunger

c)

Vertical

d)

Horizontal

5.

The _________ is the part of the upper section of the pot transfer mould, which forces the liquid resin into the cavity.

a)

plunger

b)

cavity

c)

ejector

d)

pot

6.

In plunger transfer moulding the clamping force will be _________ of the total force.

a)

10-15%

b)

20-25%

c)

30-35%

d)

40-45%

7.

In transfer moulding the gate should always be as small as possible so that the _________ mark is less.

a)

sink

b)

ejection

c)

degating

d)

flash

8.

The ____________ should be as short as possible to minimize the flow restrictions.

a)

runner

b)

plunger

c)

core

d)

cavity

9.

Vents are used for removing entrapped __________.

a)

material

b)

oil

c)

air

d)

water

10.

In transfer mould design, air removal is possible through __________.

a)

gate

b)

runner

c)

sub runner

d)

vents