Q. The welding set up is said to have straight polarity, when

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Q. A moving mandrel is used in

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Q. The most preferred process for casting gas turbine blades is

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Q. The cold chisels are made from

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Q. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are

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Q. A ring gauge is used to

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Q. A casting defect which results in general enlargement of a casting is known as

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Q. Rotary swaging

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Q. The upsetting is a process of

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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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