Question

Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

a.

length of chain 20 mm wrong

b.

one end of the chain 0.9 m off the line

c.

one end of chain 0.9 m higher than the other

d.

all the above.

Posted under Civil Engineering

Answer: (d).all the above.

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Q. Which of the following introduces an error of about 1 in 1000 if 20 m chain is used

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