Answer to Question #324614 in Mechanical Engineering for Jhonny

Question

13. A pump that operates a head of 30 m is used to deliver 80 liters per second of water at an efficiency of 85%. The pump is driven by a diesel engine by means of chain and sprocket with a service factor of 1.3. If horsepower per strand is 25, find the approximate number of strands needed.

Answer 1

A strand is when two or more wires are wound concentrically in a helix. These strands are typically wound around a center wire and then around the core. The lay of the strand is the direction that the wires orbit the core.