When repacking a reciprocating pump with more than four rings of packing, the packing is cut square, installed with the ends abutted, and each succeeding ring staggered with the butted ends __________.

Correct Answer: Option B — 90° apart

Staggering the joints of packing rings at 90-degree intervals prevents the formation of a continuous leak path through the stuffing box. This configuration ensures that each ring effectively seals the joints of the preceding ring, maintaining the integrity of the seal and preventing excessive fluid bypass along the rod.