Earthing Or Grounding MCQs with Explanations

Increases is the correct answer to “When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

decrease is the correct answer to “Moisture content in the soil _______ the earth soil resistance”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

both (A) and (B) is the correct answer to “Generally grounding is provided for”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

grounding resistance should be as low as possible is the correct answer to “Ground resistance should be designed such that”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

both (B) and (C) is the correct answer to “For an EHV equipment for maintenance first it should be isolated and connected to ground because”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

to provide as low resistance possible to the ground is the correct answer to “The objective of earthing or grounding is”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

all the above is the correct answer to “Factors on which soil resistance depends”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

voltage potential at the earth mat increases due to grounding is the correct answer to “When earth fault occurs”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

1000 ohms is the correct answer to “Average resistance of human body is”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

galvanized steel is the correct answer to “Earth wire or ground wire is made of”. This question is standard in competitive examination syllabi for Earthing Or Grounding.

both (A) and (C) is the correct answer to “The size of the earth or ground wire is based on the”. This question is standard in competitive examination syllabi for Earthing Or Grounding.