Trenee Engg(Maintanace) Interview Questions and Answers

The minimum distance between two earthing should be at least equal to the length of the longest equipment.

• The distance between two earthing should be equal to or greater than the length of the longest equipment.

• The distance should be enough to prevent any electrical interference between the two earthing systems.

• The distance may vary depending on the type of equipment and the voltage level.

• The earthing systems should be designed and installed by a qualified electrician.

• Example...read more

The minimum resistance of earthing is determined by the type of installation and the electrical system.

• The minimum resistance of earthing is determined by the type of installation and the electrical system.

• It is important to ensure that the earthing system has a low resistance to prevent electrical shocks and fires.

• The minimum resistance of earthing is typically specified in national or international standards.

• For example, in India, the minimum resistance of earthing for a re...read more