Q. If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.

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Q. Which of the following material can be used for making patterns ?

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Q. The torch used for oxygen cutting is same as for oxy-acetylene welding.

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Q. According to Indian standards, the total number of tolerance grades are

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Q. Which of the following statement is wrong?

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

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Q. In fore-hand welding, the angle between the welding rod and the work is kept as

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Q. The minimum size of a bloom is

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Q. The binder commonly used in making oil sand, is

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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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