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प्रश्न
Name the part of the vernier callipers which is used to measure the following
External diameter of a tube
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उत्तर
Outside jaws
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संबंधित प्रश्न
Define the term 'Vernier constant'.
State the purpose of ratchet in a screw gauge.
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
In a vernier callipers, 19 main scale divisions coincide with 20 vernier scale divisions. If the main scale has 20 divisions in a centimetre, calculate
- pitch
- L.C. of vernier callipers.
When does a vernier callipers has the negative error?
A micrometre screw gauge has a negative zero error of 7 divisions. While measuring the diameter of a wire the reading on the main scale is 2 divisions and 79th circular scale division coincides with baseline.
If the number of divisions on the main scale is 10 to a centimetre and circular scale has 100 divisions, calculate
- pitch
- observed diameter
- least count
- corrected diameter.
What do you understand by the following term as applied to micrometre screw gauge?
Thimble scale
