Advertisements
Advertisements
प्रश्न
What do you understand by the following term as applied to screw gauge?
Positive zero error
Advertisements
उत्तर
Positive zero error: If the zero of the circular scale is below the reference line of the main scale, then the screw gauge is said to have positive zero error and the correction is negative.
APPEARS IN
संबंधित प्रश्न
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is +0.02 cm, what is the correct thickness of the pencil?
Up to how many decimal places can a common vernier callipers measure the length in cm?
State the formula for calculating length if:
Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale is known.
Figure shows a screw gauge in which circular scale has 100 divisions. Calculate the least count and the diameter of a wire.
For what range of measurement is micrometre screw gauge used?
What is the least count in the case of the following instrument?
Screw gauge
On a vernier calliper, 25 vernier scale divisions are equal in length to 24 main scale divisions. One main scale division is 1 mm. Find the least count of the instrument.
A Vernier calliper reads a main scale reading of 2.3 cm and the 5th division of the Vernier scale coincides with a main scale division. If the least count is 0.01 cm, what is the actual reading?
