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Joining Questions Set 24:

Quiz Mode

The temperature in arc welding is of the order of _____ degrees

3000

4000

5000

7000

Solution:

Which of the following is not a type of resistance welding?

seam

spot

projection

electro slag

Solution:

Which of the following is an example of non-pressure welding?

Gas welding

Resistance welding

Forge welding

Friction welding

Solution:

What is the term for the junction between the flange and web of an I-section?

Lap joint

Butt joint

Fillet joint

Shear joint

Solution:

The type of crystal normally found in a single run are weld in the as-welded condition is:

Columnar

Equi-axed

Polycrystalline

Dendritic

Solution:

Which of the following is not a type of gas welding?

Metal inert gas welding

Oxy-acetylene welding

Pressure gas welding

Oxy-hydrogen welding

Solution:

Where does the primary combustion in the oxyacetylene flame start?

Outer boundary of inner cone

Acetylene feather

Flame envelope

At the tip of the welding torch

Solution:

In atomic hydrogen arc welding (AHAW), the arc is generated between

the joining parts

the consumable electrode and workpiece

the consumable electrodes

the non-consumable electrodes

Solution:

A current of 5000 A is used to spot weld two metals, each 1 mm thick. Given the current flow time of 0.2 seconds and an effective resistance of 200 microohms, calculate the heat generated during the process.

1000 Joules

2000 Joules

3000 Joules

4000 Joules

Solution:

Which of the following is true about friction welding?

One workpiece is held stationary while the other is moving

Both the workpieces are moving

Both the workpieces are stationary and filler is added in the space between them

The material is deformed elastically

Joining Questions Set 24:

The temperature in arc welding is of the order of _____ degrees

Solution:

Which of the following is not a type of resistance welding?

Solution:

Which of the following is an example of non-pressure welding?

Solution:

What is the term for the junction between the flange and web of an I-section?

Solution:

The type of crystal normally found in a single run are weld in the as-welded condition is:

Solution:

Which of the following is not a type of gas welding?

Solution:

Where does the primary combustion in the oxyacetylene flame start?

Solution:

In atomic hydrogen arc welding (AHAW), the arc is generated between

Solution:

A current of 5000 A is used to spot weld two metals, each 1 mm thick. Given the current flow time of 0.2 seconds and an effective resistance of 200 microohms, calculate the heat generated during the process.

Solution:

Which of the following is true about friction welding?

Solution:

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