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प्रश्न
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve scale
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उत्तर
It is also known as the main scale. A reference line or baseline graduated in mm, drawn on the sleeve cylinder, parallel to the axis of nut is known as a sleeve scale.
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संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
A vernier callipers has a zero error of + 0.06 cm. Draw a neat labelled diagram to represent it.
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
Describe the procedure to measure the diameter of a wire with the help of a screw gauge.
(a) A vernier scale has 20 divisions. It slides over the main scale, whose pitch is 0.5 mm. If the number of divisions on the left hand of the zero of vernier on the main scale is 38 and the 18th vernier scale division coincides with the main scale, calculate the diameter of the sphere, held in the jaws of vernier callipers.
(b) If the vernier has a negative error of 0.04 cm, calculate the corrected radius of the sphere.
How do you account for negative 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.
A vernier caliper using the scale invented by Galileo.
