CampusFin

Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m³, Q = Discharge of the pump in m³/s, Hₛ = Suction head in metres, and Hᵈ = Delivery head in metres)

Review the verified answer and explanation for this DemoPaper-Pakistan past-paper question on CampusFin.

Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m³, Q = Discharge of the pump in m³/s, Hₛ = Suction head in metres, and Hᵈ = Delivery head in metres) Answer: wQ(Hₛ + Hᵈ)

Question context

This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.