6408. The percentage slip in a reciprocating pump set is given by the % of (where, Q₁ = actual discharge Q₂ = theoretical discharge) September 7, 2025 by Admin Q₁/Q₂ Q₂/Q₁ (Q₂ – Q₁)/Q₁ (Q₂ – Q₁)/Q₂ ✅ The correct answer is option D.