Q. The usual value of the point angle of a drill is

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Q. Buffing wheels are made of

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Q. In drilling mild steel and brass, the point angle of a drill is 118°.

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Q. The tail stock set over method of taper turning is preferred for

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Q. The chuck preferred for quick setting and accurate centering of a job is

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Q. Negative rakes are used for

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Q. A bottoming tap has

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Q. The enlarging of an existing circular hole with a rotating single point tool is called

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Q. In the relation VTn = C, the value of n for high speed steel tools varies from 0.25 to 0.40.

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Q. Glazing in grinding wheels __________ cutting capacity.

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Q. The usual value of the helix angle of a drill is

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Q. The cutting speed for counter-boring should be __________ that of drilling operation.

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Q. Hard and tough materials like cast iron should be turned at

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Q. In oblique cutting system, the cutting edge of the tool

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Q. When the shear angle is small

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Q. A fine grained grinding wheel is used to grind

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Q. EDM machining is applied for

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Q. In gear hobbing

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Q. Holes are machined by push broaches only for sizing.

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Q. The increase in depth of cut and feed rate __________ surface finish.

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