Civil Engineering MCQJE Level Civil Engineering
The line of collimation in levelling is the line joining optical centre of objective and:
SurveyingSurveying and GeomaticsEASY
Choose the correct answer
A
Tripod head
B
Foot screw centre
C
Bubble centre
D
Intersection of cross hairs
Correct Answer
D. Intersection of cross hairs
Why is this the answer?
The line of collimation is the telescope sight line through the cross-hair intersection.
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Practice more Civil Engineering questions
This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.