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OXY ACETYLENE GAS WELDING 2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is Molten Pool?

a)

Welding term for smoke

b)

A type of welding equipment

c)

Melted metal when welding is made

d)

Something that happens when the metal is too hot

2.

What is molten pool also known as?

a)

Paddle

b)

Weld Pool

c)

Puddled Weld

d)

Welding Pod

3.

For basic Oxy Acetylene weld, which weave is used to manipulate the molten pool?

a)

V weave

b)

C weave

c)

Circular Weave

d)

Figure 8

4.

Why is the molten pool bubbling?

a)

Its not hot enough

b)

Its too hot!

c)

There are impurities in the pool

d)

there is air in the pool

5.

Why is the molten pool throwing off sparks?

a)

There is fuel in the molten pool

b)

The molten pool is too small

c)

Too much Acetylene in the flame

d)

Oxidation is happening

6.

Oxidation will make the weld

a)

Strong

b)

Weak and brittle

c)

Bend

d)

Unstable

7.

What is the distance between the flame and the metal piece?

a)

1mm - 2mm

b)

2mm - 4mm

c)

3mm - 5mm

d)

4mm - 5mm

8.

what is the recommended angle of the torch during welding?

a)

30º - 40º

b)

60º - 70º

c)

45º

d)

80º - 90º

9.

what is the recommended angle of the filler rod during welding?

a)

30º - 40º

b)

60º - 70º

c)

45º

d)

80º - 90º

10.

How old do you think Cikgu Fai is?

a)

20-25

b)

26-30

c)

30-35

d)

36-40