Q. In back-hand welding, the angle between the welding torch and the work is kept as

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Q. In welding copper alloys with TIG arc welding

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Q. The algebraic difference between the minimum limit and the basic size is called

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Q. The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.

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Q. Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

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Q. A saw which cuts wood during the return stroke of the saw is known as

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Q. In arc welding, the electric arc is produced between the work and the electrode by

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Q. In a centrifugal casting method

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Q. The draft or taper allowance on casting is generally

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Q. Which of the following welding process uses non-consumable electrodes?

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Q. In a bilateral system of tolerance, the tolerance is allowed on

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Q. The machining allowance provided on patterns depends upon

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Q. In submerged arc welding, an arc is produced between a

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Q. In shielded arc welding

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Q. In a die casting method, the molten metal is forced into mould under high pressure.

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Q. In a centrifugal casting method, the impurities are collected in the centre of the casting.

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Q. In a hot chamber die casting machine

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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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