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Pakistan Studies Medium

What is the main function of the ratchet in a micrometer screw gauge?

  • A To increase the pitch
  • B To prevent excessive tightening
  • C To change its least count
  • D To measure internal diameter
Correct Answer: Option B — To prevent excessive tightening
Explanation:
The ratchet applies uniform pressure and prevents damage or deformation caused by over-tightening.
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MCQ Details
SubjectPakistan Studies
DifficultyMedium
Exam Types
CorrectOption B
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