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Joining Questions Set 9:

Quiz Mode

The most convenient welding position is

horizontal

vertical

down hand

overhead

Solution:

In thermite welding, the ratio of iron oxide to aluminum powder is:

1:1

1:3

2:1

3:1

Solution:

In spot welding, the current flows for how long?

1 minute

Milliseconds

A fraction of seconds

A fraction of minutes

Solution:

The best design for bonded joints is when the joint is subjected to:

Tensile load

Shear load

Peeling

Both tensile and shear loads

Solution:

What type of resistance is experienced in upset butt welding?

Magnetic resistance

Electric resistance

Air resistance

Thermal resistance

Solution:

Where can electron-beam welding be carried out?

in open air

in a shielding gas environment

in a pressurized inert gas chamber

in a vacuum

Solution:

In gas welding, what is the inclination of the blowpipe with respect to the plate in leftward (forehand) welding?

30 to 40 degrees

40 to 50 degrees

60 to 70 degrees

90 to 100 degrees

Solution:

Why are single or double V-grooves most commonly used for weld preparation?

They are easy to make

They help increase welding speed

They prevent distortion

They reduce filler metal requirement

Solution:

What is the effect on welding speed when heat input is increased in arc welding?

Welding speed increases

Welding speed decreases

Welding speed remains constant

There is no relation between welding speed and heat input

Solution:

The most important feature of the laser beam technique is that it can be used for

deeper penetration welds only with similar metals and multilayer materials

low penetration welds only with similar metals and multilayer materials

low penetration welds only with similar metals and single layer materials

deeper penetration welds even with dissimilar metals and multilayer materials

Joining Questions Set 9:

The most convenient welding position is

Solution:

In thermite welding, the ratio of iron oxide to aluminum powder is:

Solution:

In spot welding, the current flows for how long?

Solution:

The best design for bonded joints is when the joint is subjected to:

Solution:

What type of resistance is experienced in upset butt welding?

Solution:

Where can electron-beam welding be carried out?

Solution:

In gas welding, what is the inclination of the blowpipe with respect to the plate in leftward (forehand) welding?

Solution:

Why are single or double V-grooves most commonly used for weld preparation?

Solution:

What is the effect on welding speed when heat input is increased in arc welding?

Solution:

The most important feature of the laser beam technique is that it can be used for

Solution:

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