Which of the following would represent an attempt to reduce the frequency of required overhauls for machinery?

Correct Answer: Option B — Selecting spare parts suppliers on the basis of reputation for quality.

Selecting spare parts based on a reputation for quality directly impacts machinery reliability. High-quality components reduce the frequency of premature failures and unscheduled maintenance. This proactive approach aligns with the ISM Code requirements for maintaining critical equipment in a safe, seaworthy condition through superior procurement standards.