Civil Engineering MCQJE Level Civil Engineering
If fore bearing and back bearing differ by exactly 180 degrees, the line is free from:
SurveyingSurveying and GeomaticsEASY
Choose the correct answer
A
Local attraction at the two stations
B
Refraction only
C
Curvature correction
D
Sag correction
Correct Answer
A. Local attraction at the two stations
Why is this the answer?
Equal opposite bearings indicate no local magnetic disturbance at the stations.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.