Civil Engineering MCQJE Level Civil Engineering
During an RRB JE solution review on Compass Survey, what is the safest statement about local attraction? Avoid the common trap that local attraction improves bearing accuracy.
SurveyingCompass SurveyMEDIUM
Choose the correct answer
A
bearings never need correction
B
nearby magnetic materials can disturb observed bearings
C
local attraction improves bearing accuracy
D
magnetic declination is the same as chainage
Correct Answer
B. nearby magnetic materials can disturb observed bearings
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Local attraction causes magnetic bearing errors. Correct option: B.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.