Generally grounding is provided for

Related Mcqs:

Average resistance of human body is____________?

A. 500 ohms B. 1000 ohms C. 1500 ohms D. 2000 ohms...

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...

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...

Moisture content in the soil __________ the earth soil resistance?

A. increase B. decrease C. does not affect D. none of the above...

The size of the earth or ground wire is based on the______________?

A. maximum fault current carrying through the ground wire B. rated current carrying capacity of the service line C. depends on the soil resistance D. both (A) and (C)...