Civil Engineering - Surveying
Exercise :: Surveying - Section 1
31. |
Accuracy of 'fix' by two point problem, is |
Answer: Option C
Explanation:
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32. |
A bearing of a line is also known as |
A. |
magnetic bearing | B. |
true bearing | C. |
azimuth | D. |
reduced bearing |
Answer: Option B
Explanation:
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33. |
True meridians are generally preferred to magnetic meridians because |
A. |
these converge to a point | B. |
these change due to change in time | C. |
these remain constant. | D. |
None of these. |
Answer: Option C
Explanation:
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34. |
Pick up the correct statement from the following : |
A. |
the apparent error on reversal is twice the actual error | B. |
the correction may be made equal to half the observed discrepancy. | C. |
the good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results | D. |
all the above. |
Answer: Option D
Explanation:
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35. |
If θ is the slope of the ground and l is the measured distance, the correction is |
A. |
2l sin2 θ/2 | B. |
2l cos2 θ/2 | C. |
2l tan2 θ/2 | D. |
2l cot2 θ/2. |
Answer: Option A
Explanation:
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