Power in kW required to drive Centrifugal pump with discharge of Q m3/sec, Head in H mtr, specific weight of fluid as ω N/m3 and overall efficiency of pump as η shall be

• A. \(\frac{ωH}{Qη}\)
• B. \(\frac{ωQH}{η}\)
• C. \(\frac{ωQ}{Hη}\)
• D. \(\frac{ωQη}{H}\)