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प्रश्न
State the purpose of ratchet in a screw gauge.
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उत्तर
Ratchet helps to advance the screw by turning it until the object is gently held between the stud and spindle of the screw.
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संबंधित प्रश्न
Name the part of the vernier callipers which is used to measure the following
Internal diameter of a mug
Explain the terms : Pitch .
How are they determined?
Define metre in terms of the wavelength of light.
The main scale of vernier callipers has 10 divisions in a centimetre and 10 vernier scale divisions coincide with 9 main scale divisions. Calculate
- pitch
- L.C. of vernier callipers.
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.
In figure for vernier callipers, calculate the length recorded.
The least count of a vernier callipers is 0.0025 cm and it has an error of + 0.0125 cm. While measuring the length of a cylinder, the reading on the main scale is 7.55 cm, and the 12th vernier scale division coincides with the main scale. Calculate the corrected length.
What is the need for measuring length with vernier callipers?
What do you understand by the following term as applied to screw gauge?
Zero error
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.
