Discussion
Consider the following statements about dampers.
1. Damping force rises with piston velocity.
2. Rebound damping is usually stronger than bump damping.
3. A gas charge is fitted mainly to support the vehicle weight.
Which of the statements given above is or are correct?
Answer: C
The first two are correct, but the nitrogen charge exists to prevent cavitation rather than to carry load. A monotube does contribute a small force from its rod area, which is why the third statement is tempting rather than absurd. 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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