Correct Answer:
Option C - Metric chain – Metric chain are made in length 20 m and 30 m.
A 20 m chain has 100 links each of 20 cm and 30 m chain has 150 links.
Tolerance in chain –
For 5 m chain = ±3 mm
For 20 m chain = ±5 mm
For 30 m chain = ± 8 mm
C. Metric chain – Metric chain are made in length 20 m and 30 m.
A 20 m chain has 100 links each of 20 cm and 30 m chain has 150 links.
Tolerance in chain –
For 5 m chain = ±3 mm
For 20 m chain = ±5 mm
For 30 m chain = ± 8 mm
Explanations:
Metric chain – Metric chain are made in length 20 m and 30 m.
A 20 m chain has 100 links each of 20 cm and 30 m chain has 150 links.
Tolerance in chain –
For 5 m chain = ±3 mm
For 20 m chain = ±5 mm
For 30 m chain = ± 8 mm
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