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The colour of oxygen cylinder in oxyacetylene welding is

1

black

2

maroon

3

blue

4

green

Solution:

The range of temperature of soldering process is

1

10°C to 50°C

2

50°C to 100°C

3

180°C to 250°C

4

250°C to 400°C

Solution:

In gas welding, the maximum flame temperature occurs at–

1

The tip of the flame

2

The inner cone

3

The outer cone

4

Next to the inner cone

Solution:

In gas welding, the maximum flame temperature occurs at

1

The tip of the flame

2

The inner cone

3

The outer cone

4

Next to the inner cone

Solution:

Two 3 mm thick MS sheets are to be welded. Electrodes 16, 12, and 10 Nos. are available which one would you choose

1

16

2

12

3

10

4

Any of the above

Solution:

In shielded metal are welding the shielding gas is provided by

1

cylinder connected to the electrode

2

electrode coating material

3

electrode core material

4

work piece material

Solution:

A carburizing flame is obtained by supplying :

1

A carburizing flame is obtained by supplying :

2

More volume of oxygen than acetylene

3

More volume of acetylene than oxygen

4

None of these

Solution:

In a gas welding using oxygen and acetylene cylinders the pressure of gas is more in

1

Oxygen cylinder

2

Acetylene cylinders

3

Equal in both cylinders

4

Gas welding does not use oxygen cylinders

Solution:

Carburizing flame is formed in oxyacetylene gas welding when

1

quantity of oxygen is increased

2

quantity of acetylene is increased

3

both are at same level

4

it does not depend on the quantities of oxygen or acetylene

Solution:

Consider the following statements
The process is extremely versatile over a wide range of thicknesses and all welding positions for both ferrous and non-ferrous metals
Low-quality welds are produced with the problem of slag removal.
The process is costly and less portable than manual metal arc welding.
High deposition rate What are the characteristics of gas metal arc welding?

1

1, 2 and 3

2

1, 2, 3 and 4

3

1, 3 and 4

4

2, 3 and 4

Joining Questions Set 28:

The colour of oxygen cylinder in oxyacetylene welding is

Solution:

The range of temperature of soldering process is

Solution:

In gas welding, the maximum flame temperature occurs at–

Solution:

In gas welding, the maximum flame temperature occurs at

Solution:

Two 3 mm thick MS sheets are to be welded. Electrodes 16, 12, and 10 Nos. are available which one would you choose

Solution:

In shielded metal are welding the shielding gas is provided by

Solution:

A carburizing flame is obtained by supplying :

Solution:

In a gas welding using oxygen and acetylene cylinders the pressure of gas is more in

Solution:

Carburizing flame is formed in oxyacetylene gas welding when

Solution:

Solution:

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