Q. The relief or clearance at the cutting edge of a flat drill varies from

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Q. Internal or external threads of different pitches can be produced by

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Q. In a shaper

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Q. Which of the following statement is correct about EDM machining?

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Q. Spot facing is an operation of smoothing and squaring the surface around a hole.

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Q. A better machinable metal is one which gives

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Q. For turning small taper on long workpiece, the suitable method is

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Q. In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called

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Q. The time (in minutes) for a drilling a hole is given by where h is the

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Q. Crack in grinding wheel is developed due to

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Q. The average cutting speed for turning mild steel with a high speed steel tool is

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Q. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is

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Q. The vector sum of cutting velocity and chip velocity is __________ shear velocity.

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Q. For harder alloy steel, the point angle of the drill is kept

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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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