1. Importance of studying earth resistance and resistivity. 2. Importance of bringing the earth resistance to a desirable value. 3.) Normal range of earth resistance. 4. Suggestions to reduce the earth resistance to a desirable value. (5. Draw the resistivity variation with probes spacing for reading values and comment on the results. 6, Draw the relationship between soil resistance and the depth of the rod.
1. Importance of studying earth resistance and resistivity. 2. Importance of bringing the earth resistance to a desirable value. 3.) Normal range of earth resistance. 4. Suggestions to reduce the earth resistance to a desirable value. (5. Draw the resistivity variation with probes spacing for reading values and comment on the results. 6, Draw the relationship between soil resistance and the depth of the rod.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems
Section: Chapter Questions
Problem 11RQ
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