The maximum tolerance in a 20 m chain is
A) ±2 mm
B) ±3 mm
C) ±5 mm
D) ±8 mm
Correct Answer:
Verified
Q9: The correction for sag is
A)always additive
B)always subtractive
C)always
Q10: Cross staff is an instrument used for
A)measuring
Q11: Normal tension is that pull which
A)is used
Q12: Which of the following is not used
Q13: If the length of a chain is
Q15: For accurate work, the steel band should
Q16: The length of a chain is measured
Q17: Select the incorrect statement.
A)The true meridians at
Q18: If the true bearing of a line
Q19: In the prismatic compass
A)the magnetic needle moves
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