| 1. | A tool used to withdraw a drill from the sleeve is called ? | |
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drill remover
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drill puller
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drift
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drill drawer
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Report Question| 2. | The binding material used in cemented carbide tools is ? | |
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tungsten
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chromium
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silicon
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cobalt
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| 3. | The guideways are of ? | |
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flat type
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V-type
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dovetail type
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any one of these
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| 4. | With the same tool life, the maximum material per minute is removed by ? | |
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increasing the cutting speed
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decreasing the cutting speed
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increasing the depth of cut
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increasing the feed rate
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| 5. | A drill considered as a cutting tool having zero rake, is known as a ? | |
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flat drill
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straight fluted drill
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parallel shank twist drill
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tapered shank twist drill
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| 6. | The carbide tools operating at very low cutting speeds (below 30 m/min) ? | |
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reduces tool life
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increases tool life
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have no effect on tool life
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spoils the work piece
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| 7. | Tool life is measured by the ? | |
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number of pieces machined between tool sharpenings
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time the tool is in contact with the job
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volume of material removed between tool sharpenings
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all of the above
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| 8. | Drilling is an example of ? | |
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orthogonal cutting
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oblique cutting
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simple cutting
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uniform cutting
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| 9. | In which of the following machine, the work rotates and the tool is stationary ? | |
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Vertical boring machine
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Horizontal boring machine
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Precision boring machine
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Jig boring machine
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| 10. | The cutting fluid mostly used for machining steel is ? | |
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water
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soluble oil
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dry
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heavy oils
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