Q. The electrodes used in spot welding have a tip of

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Q. Blanking and piercing operations can be performed simultaneously in a

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Q. A pattern maker's shrinkage rule considers

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Q. The tolerance produced by shell moulding process of casting is

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Q. Surface plate is used to check the trueness of flat surfaces.

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Q. A zinc diffusion process is called

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Q. The accuracy of micrometers, calipers, dial indicators can be checked by a

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Q. The type of file used for a wood work is

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Q. A taper provided on the pattern for its easy and clean withdrawl from the mould is known as

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Q. The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.

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Q. The fullers are used

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Q. The cold chisels are made by

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Q. The property of sand due to which it evolves a great amount of steam and other gases is called

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Q. The centrifugal casting method, is used for casting articles of

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Q. Galvanising is a

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Q. The ferrous metals require more machining allowance than non-ferrous metals.

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Q. In a four high rolling mill, there are four rolls out of which

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

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Q. In __________ welding, the weld may be made either from left to right or from right to left.

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Q. Metal patterns are used for

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