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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