Moisture content in the soil __________ the earth soil resistance?
A. increase
B. decrease
C. does not affect
D. none of the above
A. increase
B. decrease
C. does not affect
D. none of the above
A. voltage potential at the earth mat increases due to grounding
B. voltage potential at the earth mat decreases due to grounding
C. voltage potential at the earth mat remains zero irrespective of fault
D. none of the above
A. grounding resistance should be as low as possible
B. grounding resistance should be as high as possible
C. grounding resistance should be always zero
D. none of the above
A. 500 ohms
B. 1000 ohms
C. 1500 ohms
D. 2000 ohms
A. 128
B. 139
C. 150
D. 140
A. 140
B. 142
C. 139
D. 148
A. 5th
B. 6th
C. 3rd
D. 2nd