| 1. | When the tool of centre lathe moves the angular of the axis of rotation ? | |
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it produces a taper surface
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it produces a cylindrical surface
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it produces a flat surface
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none of the above
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Report Question| 2. | Tool life is affected due to ______ ? | |
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size of the tool
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size of the job
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type of machine
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cutting speed
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| 3. | Which among the following statement in respect to the lathe cutting tool is correct ? | |
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red hardness temperature is higher for high carbon steel tool than that carbide tool
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the property of tool chipping off with vibration is more cemented carbide tool than that of HSS tool
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ceramic tool has more resistance to shock as compared to HSS tool
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HSS can work at more spindle speed and feed than cemented carbide tool
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| 4. | A steel work piece of high tensile strength is to be machined with a HSS milling cutter, which one of the following rake angles is best suited for cutter ? | |
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8°
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12°
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20°
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28°
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| 5. | The lip angle of a single point tool is usually ______________ ? | |
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20° to 40°
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40° to 60°
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60° to 80°
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nota
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| 6. | Which one of the following tool angle is provided to avoid rubbing of the body of the tool with the workpiece ? | |
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rake angle
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helix angle
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clearance angle
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nota
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