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प्रश्न
What do you understand by the following term as applied to screw gauge?
Negative zero error
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उत्तर
Negative zero error: If the zero of the circular scale is above the reference line of the main scale, then the screw gauge is said to have negative zero error and correction is positive.
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संबंधित प्रश्न
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
Name the part of the vernier callipers which is used to measure the following
External diameter of a tube
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.
Define the term pitch.
State the formula for determining a pitch
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 screw gauge?
Zero error
How do you account for positive zero error for calculating the correct diameter of wires?
In the following figure, the pitch of the screw is 1 mm. Calculate:
(i) the least count of screw gauge and
(ii) the reading represented in the figure.
What is the least count in the case of the following instrument?
Screw gauge
