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What is the principle of resistance welding?

asked Nov 19, 2017 in production by chandu (215k points)

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Calculate the efficiency of welding.

asked Nov 19, 2017 in production by chandu (215k points)

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What are the common defects found in welding?

asked Nov 19, 2017 in production by chandu (215k points)

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What do you mean by ‘autogeneous’ and ‘homogeneous’ welding processes?

asked Nov 19, 2017 in production by chandu (215k points)

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Where do you get the most part of the oxygen, is it from the cylinder or the atmosphere?

asked Nov 19, 2017 in production by chandu (215k points)

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What would be the proportion of heat energy utilized for welding

asked Nov 19, 2017 in production by chandu (215k points)

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What are the relative advantages of submerged arc welding over conventional open air manual arc welding and why?

asked Nov 19, 2017 in production by chandu (215k points)

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What is diffusion welding?

asked Nov 19, 2017 in production by chandu (215k points)

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Describe any four common types of discontinuities that may develop in a welded joint

asked Nov 19, 2017 in production by chandu (215k points)

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List four types of resistance welding and explain any two of them with sketches.

asked Nov 19, 2017 in production by chandu (215k points)

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Explain TIG (tungsten inert gas welding)

asked Nov 19, 2017 in production by chandu (215k points)

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Find the minimum arc length sustainable?

asked Nov 19, 2017 in production by chandu (215k points)

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Describe Thermit Welding and mention its applications.

asked Nov 19, 2017 in production by chandu (215k points)

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What is the principle of resistance welding? What are the various components of the joint resistance?

asked Nov 19, 2017 in production by chandu (215k points)

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How is acetylene stored?

asked Nov 19, 2017 in production by chandu (215k points)

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Indicate the arc welding process which is more suitable for overhead welding. Justify your answer.

asked Nov 19, 2017 in production by chandu (215k points)

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Give two methods of joining two pieces of metal by heating alone.

asked Nov 19, 2017 in production by chandu (215k points)

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Discuss the effect of too low / too high current, too high voltage and too fast / too slow speed.?

asked Nov 17, 2017 in production by chandu (215k points)

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Why is it that spot welding of copper is not recommended?

asked Nov 17, 2017 in production by chandu (215k points)

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For each of the following mention briefly (i) principle of operation, (ii) field of application:

asked Nov 17, 2017 in production by chandu (215k points)

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