CHAIN SURVEYING - Practice Mode

1) What is the chain of 100 feet long generally used for taking offset in chain surveying?
Correct Answer: Engineer s chain
2) What is the surface that is normal to the direction of gravity at all points?
Correct Answer: Level surface
3) What is the line that lies on a level surface and is normal to plumb line at all points?
Correct Answer: Level line
4) What is the limit of error in 20m chain as per IS?
Correct Answer: +/- 5 mm
5) What is the term for error that occur due to faulty adjustments of device such as chain may be too long or too short?
Correct Answer: Instrumental error