Exercise: Surveying

Questions for: Surveying

If arithmetic sum of latitudes of a closed traverse is ∑Lat and closing error in latitude is dx, the correction for a side whose latitude is l, as given by Transit Rule, is
A:
B:
C:
D:
none of these.
Answer: A
No answer description is available. Let's discuss.
The accuracy of measurement in chain surveying, does not depend upon
A:
length of the offset
B:
scale of the plotting
C:
importance of the features
D:
general layout of the chain lines.
Answer: D
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If f1 and f2 are the distances from the optical centre of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good
A:
f = f1 + f2
B:
f = (f1 + f2)
C:
D:
none of these.
Answer: C
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One of the Lehmann's rules of plane tabling, is
A:
location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances
B:
when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray
C:
when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays
D:
none of these.
Answer: A
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In chain surveying tie lines are primarily provided
A:
to check the accuracy of the survey
B:
to take offsets for detail survey
C:
to avoid long offsets from chain lines
D:
to increase the number of chain lines.
Answer: C
No answer description is available. Let's discuss.
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