Answer is:
Four-jaw chuck
Explanation:
Four jaw chuck is used to hold cylindrical rough casting for turning.
![Which one of the following is used to hold cylindrical rough casting for turning ?](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-1-lathe/machinist-set-1-lathe-id-1-e.jpg)
Answer is:
Exactly at centre height of the workpiece with tool axis perpendicular to the workpiece axis
Explanation:
Exactly at centre height of the workpiece with tool axis perpendicular to the workpiece axis is the correct position of threading tool to cut V-thread.
![Which one of the following is the correct position of threading tool to cut V-thread ?](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-1-lathe/machinist-set-1-lathe-id-2-e.jpg)
Answer is:
Arbor
Explanation:
Arbor is not a part of centre lathe.
Answer is:
Left-hand end of the lathe bed
Explanation:
The headstock of a lathe is situated at the left-hand of the lathe bed.
![The headstock of a lathe is situated at the](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-1-lathe/machinist-set-1-lathe-id-4-e.jpg)
Answer is:
Apron
Explanation:
The horizontal feed, cross feed and screw cutting movement in a lathe is controlled by apron.
![The Horizontal feed, cross feed and screw cutting movement in a lathe is controlled by](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-1-lathe/machinist-set-1-lathe-id-5-e.jpg)