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Q: If, length of chain is shorter than the standard, then :
  • A. Positive error and positive correction
  • B. Positive error and negative correction
  • C. Negative error and positive correction
  • D. Negative error and negative correction
Correct Answer: Option B - Length of chain or tape– The error due to the wrong length of the chain is always cumulative and is the most serious source of error. If the length of the chain is more, the measured distance will be less and hence the error will be negative similarly. If the chain is too short, the measured distance will be more and error will be positive.
B. Length of chain or tape– The error due to the wrong length of the chain is always cumulative and is the most serious source of error. If the length of the chain is more, the measured distance will be less and hence the error will be negative similarly. If the chain is too short, the measured distance will be more and error will be positive.

Explanations:

Length of chain or tape– The error due to the wrong length of the chain is always cumulative and is the most serious source of error. If the length of the chain is more, the measured distance will be less and hence the error will be negative similarly. If the chain is too short, the measured distance will be more and error will be positive.