Physics
Draw a neat and labelled diagram of a screw gauge. Name its main parts and state their functions.
Measurements
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Answer
Below is the diagram of a screw gauge with all its parts labelled:
The main parts and their functions of a screw gauge are as follows —
| Part | Function |
|---|---|
| Ratchet | To advance the screw by turning it till the object is gently held between the stud and the spindle of the screw. |
| Sleeve | To mark main scale and base line. |
| Thimble | To mark circular scale. |
| Main scale | To read length correct up to 1 mm. |
| Circular scale | Helps to read length correctly to 0.01 mm. |
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