PE Power Sample Problem 1

Use ‘Schlumberger Method’ to calculate ground resistance in an area where soil resistivity is known to be 100Ω.m. Distance between the outermost electrodes of ‘Schlumberger Array’ is 20m and the distance between the inner electrodes is 4m.
(A) 0.91Ω
(B) 1.21Ω
(C) 2.62Ω
(D) 3.19Ω

Wasim Asghar – P.E, P.ENG, M.ENG

Licensed Professional Engineer in Texas (PE), Florida (PE) and Ontario (P. Eng) with consulting experience in design, commissioning and plant engineering for clients in Energy, Mining and Infrastructure.