Question

what is the function of ratchet in a screw gauge?​

Answer 1

The thimble carries the vernier or secondary scale. There is one more part called the ratchet which is provided at the end of the tube. Theratchet is kind of limiting device which applies a pressure by slipping at a predetermined torque and thus prevents the spindle from moving further.



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Answer 2

Answer:

the timble carries the vernier or secondary scale there is one more part called the ratchet which is provide end the add of tube the retchet is kind of limiting device which applies a pressure by sleeping at a predetermined torque and thus prevents the spindle from moving further