In which of the following measurements screw gauge can be used?
A
Measuring height of cubical block
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B
Measuring diameter of thin wire
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C
Internal diameter of a nut
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D
All of the above
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Solution
The correct option is B Measuring diameter of thin wire
Micrometer or screw gauge is a U shaped instrument used for measuring smaller dimensions with precision. So it can be used to measure the diameter of a thin wire.