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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
State three uses of the vernier callipers.
Explain the terms : Least count of a screw gauge.
How are they determined?
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
State the formula for determining a pitch
The circular scale of a screw gauge has 50 divisions. Its spindle moves by 2 mm on the sleeve, when given four complete rotations calculate
- pitch
- least count
What do you understand by the following term as applied to screw gauge?
Positive zero error
What is the least count in the case of the following instrument?
Screw gauge
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
