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In resistance welding the voltage supplied is:

1

100 V

2

1 V

3

500 V

4

1000 V

Solution:

The 'flyer plate' is used .......... welding.

1

Ultrasonic

2

Explosive

3

Electron beam

4

Laser beam

Solution:

The material used for coating the electrode is called :

1

slag

2

protective layer

3

deoxidizer

4

flux

Solution:

The brazing process is carried out temperature range

1

600-150°C

2

350 - 500 °C

3

180- 250°C

4

600 - 75°C

Solution:

The oxy-acetylene gas used in gas welding produces a flame temperature of:

1

1800 deg.C

2

2100 deg C

3

2400 deg C

4

3200 deg C

Solution:

For Arc welding

1

Alternating current with high frequency is used

2

Alternating current with low frequency is used

3

Direct current is used.

4

All the above

Solution:

In thermit welding, the thermit is the mixture of

1

Aluminum and Iron oxide

2

Oxygen and Acetylene

3

Aluminum oxide and Cobalt powder

4

Aluminum and Bauxite

Solution:

Which of the following welding method is not a solid-state welding process?

1

Friction welding

2

Forge welding

3

Resistance spot welding

4

Ultra-sonic welding

Solution:

The current in resistance welding can be regulated by

1

varying input supply

2

changing primary turns of transformer

3

changing secondary turns of transformer

4

None of the above

Solution:

In case of arc welding with reverse polarity

1

Electrode is kept as positive pole

2

Electrode is kept as negative pole

3

Electrode is kept as neutral pole

4

Electrode is kept as alternating changing pole

Joining Questions Set 26:

In resistance welding the voltage supplied is:

Solution:

The 'flyer plate' is used .......... welding.

Solution:

The material used for coating the electrode is called :

Solution:

The brazing process is carried out temperature range

Solution:

The oxy-acetylene gas used in gas welding produces a flame temperature of:

Solution:

For Arc welding

Solution:

In thermit welding, the thermit is the mixture of

Solution:

Which of the following welding method is not a solid-state welding process?

Solution:

The current in resistance welding can be regulated by

Solution:

In case of arc welding with reverse polarity

Solution:

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