Question

Explain the instruments used for chaining with suitable sketches.​

Answer 1

Answer:

Chains are used to measure horizontal distances. Chains are formed of straight links of galvanized mild steel wire called links. The ends of each link are bent into a loop hand connected together by means of three oval rings which afford flexibility to the chain

Answer 2

Pegs: Wooden pegs are used to mark the positions of the stations terminal points of a survey line. They are made of hard timber, generally 2.5cm or 3 cm square and 15cm long, tapered at the end. The ranging rods are used for making the positions of stations and for ranging the lines.

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