| 1. | The body of a three-jaw chuck has three openings _____ apart to assemble the jaws and operate them ? | |
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120°
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90°
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60°
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45°
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Report Question| 2. | The sliding surface of the lathe bed is ? | |
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Flame hardened
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Normalized
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Case hardened
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Tempered
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| 3. | In a lathe, a follower study is fixed on the ? | |
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saddle
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apron
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bed
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tail stock
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| 4. | study rest pad of lathe accessories are made of which of the following materials ? | |
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brass
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bronze
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lead
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silver
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| 5. | Which type of feed is needed for facing operation in lathe ? | |
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longitudinal
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cross
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both a and b
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none of the above
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| 6. | combination chuck jaws may be operated as ? | |
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either independently or together
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independently
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together
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none of these
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| 7. | Which one of the following is the correct formula for taper ratio ? | |
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D-d/l
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D-d/2l
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D+d/l
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D+d/2l
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| 8. | Which one of the following operations cannot be done on a capstan lathe ? | |
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Under cutting for a length more than the tool width
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knurling
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step boring
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Taper turning in between centres
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| 9. | normally the carriage of lathe travels along which axis ? | |
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horizontal axis
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vertical axis
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bending axis
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none of the above
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| 10. | By using a single point tool, the thread cutting on a lathe moves in a ______ path ? | |
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helix
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cycloid
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rake
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blind
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