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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Q. Which of the following statement is wrong?

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Q. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

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Q. When the dimension is expressed as , then the basic size is

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Q. In order to produce uniform packing of sand in the moulds, a __________ is used.

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Q. The difference between the upper limit and lower limt of a dimension is called

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Q. Green sand is a mixture of

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Q. The diaphragm moulding machine is used to

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