Q. The operation of making a cone-shaped enlargement of the end of a hole is known as

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Q. Which of the following statement is correct in regard to centreless grinding?

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Q. The specific cutting energy used for establishing the machinability of the metal depends upon its

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Q. The form grinding is used to grind gear teeth, threads, splined shafts and holes.

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Q. Which of the following parameters govern the value of shear angle in continuous chip formation?

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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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