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As per Indian Standard how many numbers of links will be there in a 30 m chain?
1. 66
2. 33
3. 150
4. 100

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Correct Answer - Option 3 : 150


As per Indian Standard, 30 m chain has 150 links, and the length of one link is 20 cm.

These chains are mainly used for measuring fields in cadastral surveys.

Types of chain


No. of links

Length of one link

Meter chain

20 m or 30 m

100 or 150

20 cm

Engineering chain

100 ft


1 ft

Gunter chain

66 ft


0.66 ft

Revenue chain

33 ft


2 1/16 ft

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