Q. An open structure of a grinding wheel is denoted by the number 1 to 8.

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Q. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be

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Q. In a shaper, the metal is removed during

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Q. The aluminium oxide abrasive is chiefly used for grinding

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Q. In __________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.

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Q. In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.

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Q. The taper on the lathe spindle is

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Q. In machining cast iron, no cutting fluid is required.

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Q. In machining metals, surface roughness is due to

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Q. A diamond locating pin is used in jigs and fixtures because

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Q. In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called

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Q. The drill spindles are provided with standard taper known as

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Q. The dressing and truing of grinding wheel are done with the same tools but not for the same purpose.

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Q. The point angle of a drill, for drilling stainless steel, is

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Q. A numerical method of identification of tool is known as tool signature.

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Q. Tumbler gears in lathe are used to

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Q. The operation performed on a shaper is

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Q. Chemical milling operation is performed

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Q. The thrust force will increase with the increase in

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Q. The broaching operation in which the work moves past the stationary tool is called

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