Question

can you find the diameter of a paper using the ruler from your instrument box​

Answer 1

Answer:

The scale present in instrument boxes cannot be used for measurement of the diameter of a thin wire. Generally, the least count of such scales is 1 mm, which is much greater than the diameter of common wires. Moreover, since it is mass-manufactured, there is a chance for accuracy and precision errors to creep in.

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Answer 2

Screw gauge

Explanation:

• Screw gauge is used to find the diameter of a paper using the ruler from your instrument box.
• The screw gauge is an instrument for accurately measuring the diameter of a thin wire, the thickness of a metal sheet, or the width of a sheet of paper.
• Use a ruler to measure the diameter of a circle.
• It is exactly half of the diameter, so you simply need to double it to get the measurement for the radius.
• For example, if the radius is 5cm, the diameter would be 10cm.
• Divide the circumference by pi if you known the circumference.
• Slide calipers (Digital, Dial or Vernier), outside/ inside micrometer, bore gauges and pin gauges are often used for diameter measurement and control in mechanical engineering applications.
• The selection of the tool depends on the accuracy requirement and the feature to be measured.