A) To read zero exactly on back station
B) To read 5” exactly on back station
C) Somewhere near zero and reading both verniers on back station
D) All the above
Correct Answer : C) Somewhere near zero and reading both verniers on back station
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A) To read zero exactly on back station
B) To read 5” exactly on back station
C) Somewhere near zero and reading both verniers on back station
D) All the above
Correct Answer : C) Somewhere near zero and reading both verniers on back station