Q. The tool material, for faster machining, should have

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Q. The helix angle of a drill is more than 30° for drilling aluminium.

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Q. In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.25, if the cutting speed is halved, then tool life will become

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Q. The tap used to cut threads in a blind hole is

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Q. A jig is defined as a device which

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Q. A mandrel is used to hold

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Q. Jigs are used

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Q. The swing diameter over carriage is always less than the swing diameter over bed.

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Q. The plain milling machine is more rigid and heavier in construction than a universal milling machine of the same size.

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Q. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as

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Q. An operation of enlarging the end of a hole cylindrically is known as grooving.

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Q. Which of the following statement is wrong?

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Q. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

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Q. The lathe centres are provided with standard taper known as

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Q. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

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Q. The grooving is an operation of

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Q. Cutting fluids are used to

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Q. The structure of a grinding wheel depends upon

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Q. The cutting angle of a flat drill varies from

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Q. In electro-discharge machining, dielectric is used to

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