Q. In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding.

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Q. Lap joints are employed on plates having thickness

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Q. A large electrode is used in un-shielded arc welding.

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Q. Cold working of metal increases

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Q. In welding aluminium with TIG arc welding, alternating current is used.

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Q. Linde welding uses

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Q. The purpose of a gate is to

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Q. When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.

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Q. A file with 20 teeth in 25 mm is called

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Q. The flux commonly used in brazing is

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Q. The increase in hardness due to cold working, is called

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Q. When a pattern is made in three parts, the top part, is known as a

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Q. The vertical welding do not require plate edge preparation upto 16 mm thickness.

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Q. The dowels are

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Q. In arc welding, the temperature of heat produced by the electric arc is of the order of

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Q. Extrusion

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Q. The operation of cutting of a flat sheet to the desired shape is called

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Q. The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.

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Q. A hacksaw blade is specified by its

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Q. According to Indian standard specifications, 100 H6/g 5 means that.

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