Civil Engineering - Surveying

31.
Accuracy of 'fix' by two point problem, is
bad
good
not reliable
unique.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
A bearing of a line is also known as
magnetic bearing
true bearing
azimuth
reduced bearing
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
True meridians are generally preferred to magnetic meridians because
these converge to a point
these change due to change in time
these remain constant.
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
Pick up the correct statement from the following :
the apparent error on reversal is twice the actual error
the correction may be made equal to half the observed discrepancy.
the good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
If θ is the slope of the ground and l is the measured distance, the correction is
2l sin2 θ/2
2l cos2 θ/2
2l tan2 θ/2
2l cot2 θ/2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.