Q. The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.

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Q. The metal is subjected to mechanical working for

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Q. During hot working of metals

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Q. The electron beam welding can be carried out in

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Q. In tungsten-inert gas arc welding, a __________ electrode is used.

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Q. Piercing is an operation of cutting

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Q. Shift is a casting defect which

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Q. During drawing operation, the states of stress in cup would include

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Q. A diamond pointed chisel is used for cutting

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Q. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.

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Q. A process used for making thin phosphate coating on steel is called parkerising.

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Q. The recrystallisation temperature of steel is

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Q. Seam welding is best adopted for metal thickness ranging from

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Q. A file with 50 - 60 teeth in 25 mm is called bastard file.

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Q. In a __________ , the molten metal is poured and allowed to solidify while the mould is revolving.

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Q. Riddle is used for

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Q. A hacksaw blade cuts on the

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Q. The oxygen cylinder is usually painted with

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Q. Which of the following welding method uses a pool of molten metal?

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Q. The parts of circular cross-section which are symmetrical about the axis of rotation are made by

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