· Specific Speed of Pump. The specific speed "Nq" is a parameter derived from a dimensional analysis which allows a comparison of impellers of various pump sizes even when their operating similar Q H range.. The specific speed can be used to classify the optimum impeller design. Specific Speed of pump (Nq) is defined as the speed in RPM at which a geometrically similar impeller .
For a basic project in zip code 47474 with 1 wiring run, the cost to Install Electrical Wiring starts at 228 275 per wiring run. Actual costs will depend on job size, conditions, and options. To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the loion where labor is hired and materials purchased.