Mechanical HVAC PE Exam - Question 45 - Pump Total Dynamic Head

Question

A pump must deliver 100 gpm of water at 60°F from an open suction tank with water surface 8 ft below the pump centerline, to an open discharge tank with water surface 92 ft above the pump centerline. Friction losses in the piping total 18 ft of water. The total dynamic head (TDH) required is most nearly:
(A) 84 ft
(B) 100 ft
(C) 110 ft
(D) 118 ft

How to solve for pump total dynamic head

NCEES Mechanical Reference Book Search Terms:

Bernoulli
Pump
§3.3.2 Bernoulli Equation
§3.7.2 Pump Power and Head

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