Question:
Offsets are
Offsets are
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Remember:
\[
\boxed{
\text{Offset}=\text{Short lateral distance from the chain line}
}
\]
Perpendicular offsets are preferred because they provide maximum accuracy.
Updated On: Jul 23, 2026
- Lateral measurements made with respect to main survey lines
- Perpendiculars erected from chain lines
- Taken to avoid unnecessary walking between stations
- Measurements which are not made at right angles to the chain line
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The Correct Option is B
Solution and Explanation
Concept:
In chain surveying, offsets are short lateral measurements taken from the main survey (chain) line to locate details such as fences, buildings, roads, and trees.
Offsets are generally taken perpendicular to the chain line because perpendicular offsets provide greater accuracy.
Step 1: Understand offsets. Offsets are classified as:
• Perpendicular (right-angle) offsets.
• Oblique offsets. Perpendicular offsets are most commonly used in chain surveying.
Step 2: Identify the correct definition. Hence, \[ \boxed{\text{Offsets are perpendiculars erected from chain lines}.} \] Therefore, the correct option is \[ \boxed{(B)\;\text{Perpendiculars erected from chain lines}.} \]
Step 1: Understand offsets. Offsets are classified as:
• Perpendicular (right-angle) offsets.
• Oblique offsets. Perpendicular offsets are most commonly used in chain surveying.
Step 2: Identify the correct definition. Hence, \[ \boxed{\text{Offsets are perpendiculars erected from chain lines}.} \] Therefore, the correct option is \[ \boxed{(B)\;\text{Perpendiculars erected from chain lines}.} \]
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