Q. A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to drill a through-hole in a mild steel plate 20 mm thickness. The depth of cut in this drilling operation is

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Q. The tail stock and the carriage of a lathe may be guided on same or different guideway.

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Q. In order to achieve a specific surface finish in single point turning, the most important factor to be controlled is

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Q. Surface grinding is done to produce

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Q. Gear finishing operation is called

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Q. The tool life is said to be over if

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Q. Continuous chips with built up edge are formed during machining of

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Q. The rate of removing metal is __________ by increasing the depth of cut.

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Q. The method of grinding used to produce internal cylindrical holes and tapers, is

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Q. The tool life is __________ cutting speed.

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Q. In drilling bakellite and fibrous plastics, the point angle of a drill is

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Q. The shear velocity is the velocity of

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Q. In centreless grinders, the regulating wheel is inclined at

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Q. A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.

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Q. In drilling softer materials, the cutting speed is __________ as compared to harder materials.

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Q. The angle between the lathe centres is

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Q. When the shear angle is large

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Q. The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is

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Q. In drilling aluminium, a drill with

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Q. Ceramic cutting tools are

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