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Joining Questions Set 13:

Quiz Mode

Which type of electrode is designed for melting quickly?

Fast freeze

Quick fill

Fast fill

Fill freeze

Solution:

Soldering wire is essentially a(n)

lead-tin alloy

tin-silver alloy

bismuth-lead alloy

nickel-tin alloy

Solution:

What is the role of ferro-silicon as a flux material?

Slag former

Arc stabilizer

Deoxidizer

None of the above

Solution:

The friction welding process is restricted to which type of bars?

Square bars

Round bars

Hexagonal bars

Bars having diameters less than 20mm

Solution:

What is the typical temperature range of the heat produced in an electric arc furnace?

3000°C – 4000°C

4000°C – 5000°C

5000°C – 6000°C

6000°C – 7000°C

Solution:

The welding process used extensively for lap welding of sheet, foil, and thin wires is

laser beam welding

ultrasonic welding

electron beam welding

all of the above

Solution:

Which arc welding method is suitable for welding thin sheets and in difficult-to-access positions?

Long arc welding

Short arc welding

Spray arc welding

Pulsed arc welding

Solution:

Which of the following statements about Flash butt welding is not true?

The rail ends are moved to and fro

Electric resistance produces heat

It is the standard method of welding on Indian Railways

It has two movable jaws

Solution:

Edge preparation is the process of:

Cleaning the edges to remove sediments, oil, grease, etc.

Placing the edges relative to each other to produce a desired type of joint

Cutting the edges to form a groove for proper penetration

Edge preparation is never done

Solution:

Select the correct statement about the strength of brazed joints.

The strength of a brazed joint is lower than a soldered joint and a welded joint.

The strength of a brazed joint is higher than a soldered joint and a welded joint.

The strength of a brazed joint is lower than a welded joint, but higher than a soldered joint.

The strength of a brazed joint is higher than a soldered joint, but lower than a welded joint.

Joining Questions Set 13:

Which type of electrode is designed for melting quickly?

Solution:

Soldering wire is essentially a(n)

Solution:

What is the role of ferro-silicon as a flux material?

Solution:

The friction welding process is restricted to which type of bars?

Solution:

What is the typical temperature range of the heat produced in an electric arc furnace?

Solution:

The welding process used extensively for lap welding of sheet, foil, and thin wires is

Solution:

Which arc welding method is suitable for welding thin sheets and in difficult-to-access positions?

Solution:

Which of the following statements about Flash butt welding is not true?

Solution:

Edge preparation is the process of:

Solution:

Select the correct statement about the strength of brazed joints.

Solution:

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