railway RRB JE (CBT I + CBT II) Mock Test 2024 Estimation and Costing Earthing Practices

The minimum size of a copper strip to be used as an earth electrode must be:

1
2.5 mm × 4 cm
2
25 mm × 1.6 mm
3
25 mm × 4 cm
4
20 mm × 4 mm
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters