The diagram above represents a portion of a micrometer screw gauge in which the horizontal...

WAEC 1996

The diagram above represents a portion of a micrometer screw gauge in which the horizontal scale is in millimetres. What is the reading on the instrument?

A. 3.72mm
B. 3.50mm
C. 3.30mm
D. 3.28mm
E. 3.22mm

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Correct Answer: Option E

Explanation

Micrometer screw gauge reading = Main scale reading + vernier scale reading

= 3 + 0.22 = 3.22mm

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The diagram above represents a portion of a micrometer screw gauge in which the horizontal...

Correct Answer: Option E

Explanation

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