What is the length of a Surveyor's chain?
Correct Answer:
C. 66 feet
⛓️ Core Concept: Surveyor's (Gunter's) Chain
The Surveyor's chain, also known as the Gunter's chain after its inventor Edmund Gunter, is a historic and foundational tool in surveying. Its specific length was designed to be convenient for land measurement in the imperial system.
The standard specifications are:
- Total Length: 66 feet
- Total Links: 100 links
- Length per Link: 0.66 feet (or 7.92 inches)
📊 Comparison of Common Surveying Chains
To avoid confusion, it's helpful to compare the Surveyor's chain with other types:
| Chain Type | Standard Length | Number of Links | Length of One Link |
|---|---|---|---|
| Surveyor's (Gunter's) | 66 ft | 100 | 0.66 ft |
| Engineer's Chain | 100 ft | 100 | 1 ft |
| Revenue Chain | 33 ft | 16 | ~2.06 ft |
| Metric Chain | 20 m or 30 m | 100 or 150 | 0.2 m (20 cm) |