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प्रश्न
What is the function of ratchet in the screw gauge?
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उत्तर
When the flattened end of the screw comes in contact with stud, ratchet becomes free and makes a rattling noise. It indicates that the screw should not be further pushed towards the stud.
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संबंधित प्रश्न
In the vernier callipers, there are 10 divisions on the vernier scale and 1 cm on the main scale is divided into 10 parts. While measuring the length, the zero of the vernier lies just ahead of the 1.8 cm mark and the 4th division of vernier coincides with a main scale division.
(a) Find the length.
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