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Statement I: A fixed caliper clamps the disc from both sides with opposed pistons.

Statement II: A sliding caliper wears its two pads at exactly the same rate.

In the light of the above statements, choose the correct answer.

  • A.Statement I is correct but Statement II is incorrect
  • B.Both Statement I and Statement II are correct
  • C.Both Statement I and Statement II are incorrect
  • D.Statement I is incorrect but Statement II is correct

Answer: A

Fixed calipers do use opposed pistons, but a sliding caliper depends on its slides moving freely and any stiffness makes the piston side pad wear faster. Uneven wear is the characteristic sliding caliper complaint. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.

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