When earth fault occurs
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
Answer: Option A
This Question Belongs to Electrical Engineering >> Earthing Or Grounding
A. Increases
B. Decreases
C. Remains unaffected
D. none of the above
Moisture content in the soil _______ the earth soil resistance
A. increase
B. decrease
C. does not affect
D. none of the above
Generally grounding is provided for
A. only for the safety of the equipment
B. only for the safety of the operating personnel
C. both (A) and (B)
D. none of the above
Ground resistance should be designed such that
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
Join The Discussion