Q. Aluminium is the best material for making patterns because it is

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Q. Gagger is used for cleaning the moulding sand.

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Q. In sheet metal work, the cutting force on the tool can be reduced by

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Q. In order to get uniform thickness of the plate by rolling process, one provides

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Q. Cutting and forming operations can be performed in a single operation in a

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Q. The teeth of hacksaw blade are bent

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Q. In a cold chamber die casting machine, a measured quantity of molten metal is brought in a ladle from the melting pot to a chamber and forced into the closed die-section by applying hydraulic pressure upon the plunger.

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Q. For cutting brass, the hacksaw blade should have __________ teeth per 25 mm.

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Q. A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

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Q. Loam sand is a mixture of

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Q. A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?

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Q. The oxy-acetylene gas used in gas welding produce a flame temperature of

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Q. Metal patterns require __________ draft allowance than wooden patterns.

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Q. For gas welding, the presure desired at the welding torch for acetylene is

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Q. Spot welding is used for welding

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Q. Thermit welding is often used in

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Q. The directional solidification in casting can be improved by using

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Q. A sand employed on the faces of the pattern before moulding, is called

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Q. The material which can be best cut with oxygen cutting process is

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Q. In fore-hand welding, the weld is made

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