Q. In which of the following machine, the work is usually rotated while the drill is fed into work?

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Q. In twist fluted drills, chips do not move out automatically.

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Q. Mild steel during machining produces __________ chips.

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Q. Up milling is also called conventional milling.

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Q. Fixtures are used

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Q. In ultra-sonic machining, tool is made of

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Q. Ceramic tools has greater tool life than carbide tools.

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Q. The rake angle of a single point cutting tool corresponds to __________ of a twist drill.

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Q. As the cutting speed increases, the tool cutting forces

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Q. Crater wear leads to

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Q. The addition of lead, sulphur and phosphorus to low carbon steels, help to

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Q. The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

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Q. The width of cutting edge of a parting-off tool varies from

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Q. A tool used to withdraw a drill from the sleeve is called

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Q. The cutting fluid mostly used for machining steel is

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Q. The lip angle is the angle

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Q. Small nose radius

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Q. The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called

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Q. The grinding wheel speed (surface speed in m/min) usually varies from

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Q. The factor considered for evaluation of machinability is

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