Answer is:
Rack and Pinion
Explanation:
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![Which mechanism is used to convert rotary motion into reciprocating motion?](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-2-rack-spur-gear-milling-boring/machinist-set-2-rack-spur-gear-milling-boring-id-1-e.jpg)
Answer is:
Between the face of the column and Arbor support
Answer is:
Gear tooth vernier caliper
![Which instrument is very similar to the principle of a veriner caliper?](https://mcqfinder.in/uploads/images/objective-questions/machinist-set-2-rack-spur-gear-milling-boring/machinist-set-2-rack-spur-gear-milling-boring-id-5-e.jpg)