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Joining Questions Set 30:

Quiz Mode

The metal powder used in thermit welding of steel is

Tungston

Copper

Lead

Aluminium

Solution:

Which of the following processes cannot be applied for the machining of internal gears?

Hobbing

Shaping

Milling

Broaching

Solution:

For resistance spot welding of 1.5 mm thick steel sheets, the current required is in the order of

10 A

100 A

10000 A

1000 A

Solution:

Stud and projection welding belongsd to the following category of welding

Gas welding

Arc welding

Resistance welding

Pressure welding

Solution:

Which of the following resistance weldings is used for making leakproof joints?

Spot welding

Projection welding

Seam welding

Percussion welding

Solution:

Which of the following is a solid state joining process?

gas tungsten arc welding

resistance spot welding

friction welding

submerged are welding

Solution:

The purpose of applying flux coating on AC arc welding electrodes includes

maintaining continuity of arc

protection against corrosion

removal of impurities

All of the above

Solution:

Two stainless steel foils of 0.1 mm thickness are to be joined. Which of the following processes would be best suited

Gas welding

TIG welding

MIG welding

Plasma arc welding

Solution:

For spot welding of a 1 mm thick sheet with a current flow time of 0.2 s, the heat generated is 1000J. If the effective resistance is 200µ, the current required is

4000 A

5000 A

6000 A

7000 A

Solution:

In the case of arc welding of steel with a potential of 20 V and current of 200 A, the travel speed is 5 mm/s and the cross-sectional area of the joint is 20 mm². The heat required for melting steel may be taken as 10 J/mm3 and heat transfer efficiency as 0.85. The melting efficiency will be nearly

18%

29%

36%

42%

Joining Questions Set 30:

The metal powder used in thermit welding of steel is

Solution:

Which of the following processes cannot be applied for the machining of internal gears?

Solution:

For resistance spot welding of 1.5 mm thick steel sheets, the current required is in the order of

Solution:

Stud and projection welding belongsd to the following category of welding

Solution:

Which of the following resistance weldings is used for making leakproof joints?

Solution:

Which of the following is a solid state joining process?

Solution:

The purpose of applying flux coating on AC arc welding electrodes includes

Solution:

Two stainless steel foils of 0.1 mm thickness are to be joined. Which of the following processes would be best suited

Solution:

For spot welding of a 1 mm thick sheet with a current flow time of 0.2 s, the heat generated is 1000J. If the effective resistance is 200µ, the current required is

Solution:

In the case of arc welding of steel with a potential of 20 V and current of 200 A, the travel speed is 5 mm/s and the cross-sectional area of the joint is 20 mm². The heat required for melting steel may be taken as 10 J/mm3 and heat transfer efficiency as 0.85. The melting efficiency will be nearly

Solution:

Related Question Sets:

Related Topics:

Joining Questions Set 30:

The metal powder used in thermit welding of steel is

Solution:

Which of the following processes cannot be applied for the machining of internal gears?

Solution:

For resistance spot welding of 1.5 mm thick steel sheets, the current required is in the order of

Solution:

Stud and projection welding belongsd to the following category of welding

Solution:

Which of the following resistance weldings is used for making leakproof joints?

Solution:

Which of the following is a solid state joining process?

Solution:

The purpose of applying flux coating on AC arc welding electrodes includes

Solution:

Two stainless steel foils of 0.1 mm thickness are to be joined. Which of the following processes would be best suited

Solution:

For spot welding of a 1 mm thick sheet with a current flow time of 0.2 s, the heat generated is 1000J. If the effective resistance is 200µ, the current required is

Solution:

In the case of arc welding of steel with a potential of 20 V and current of 200 A, the travel speed is 5 mm/s and the cross-sectional area of the joint is 20 mm2. The heat required for melting steel may be taken as 10 J/mm3 and heat transfer efficiency as 0.85. The melting efficiency will be nearly

Solution:

Related Question Sets:

Related Topics: