Civil Engineering - Surveying

11. 

In levelling operation,

A. The first sight on any change point is a back sight
B. The second sight on any change point is a fore sight
C. The line commences with a fore sight and closes with a back sight
D. The line commences with a back sight and closes with a foresight.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

12. 

The apparent error on reversal is

A. equal to the actual error
B. twice the actual error
C. thrice the actual error
D. none of these.

Answer: Option B

Explanation:

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13. 

Magnetic declination at any place

A. remains constant
B. does not remain constant
C. fluctuates
D. changes abruptly.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

14. 

Systematic errors are those errors

A. which cannot be recognised
B. whose character is understood
C. whose effects are cumulative and can be eliminated
D. none of these.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

15. 

If L is in kilometres, the curvature correction is

A. 58.2 L2 mm
B. 64.8 L2 mm
C. 74.8 L2 mm
D. 78.4 L2 mm.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.




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