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प्रश्न
What do you understand by the following term as applied to micrometre screw gauge?
Thimble scale
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उत्तर
It is also known as a circular scale. A scale marked on the tapered end of a hollow cylinder, which can move over the sleeve cylinder, is known as a thimble scale.
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संबंधित प्रश्न
What is meant by zero error of vernier callipers ? How is it determined? Draw neat diagrams to explain it. How is it taken in account to get the correct measurement?
State the purpose of ratchet in a screw gauge.
State the formula for determining least count for a vernier callipers.
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
A micrometre screw gauge has a positive zero error of 7 divisions, such that its main scale is marked in 1/2 mm and the circular scale has 100 divisions. The spindle of the screw advances by 1 division complete rotation.
If this screw gauge reading is 9 divisions on the main scale and 67 divisions on the circular scale for the diameter of a thin wire, calculate
- Pitch
- L.C.
- Observed diameter
- Corrected diameter
What is the function of ratchet in the screw gauge?
State the formula for calculating the least count of screw.
How the backlash error is avoided?
How will you measure the least count of vernier caliper?
How will you find the Zero Error of Vernier Caliper? Explain.
