Civil Engineering - Surveying

16. 

Keeping the instrument height as 1 m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than

A. 25 cm
B. 20 m
C. 45 m
D. 10 m

Answer: Option C

Explanation:

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

17. 

True meridian of different places

A. converge from the south pole to the north pole
B. converge from the north pole to the south pole
C. converge from the equator to the poles
D. run parallel to each other.

Answer: Option C

Explanation:

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

18. 

Let angular value of one graduation of a tube of length x be φ seconds and R be the radius of its internal curved surface, then

A.
B.
C.
D. .

Answer: Option A

Explanation:

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

19. 

Pick up the correct statement from the following :

A. the length of the brass handle is included in the length of chain
B. the handles are on swivel joints to prevent twisting of the chain
C. the fifth tag from either end of the chain is numbered 5
D. the length of the Gunter's chain is 66 ft.
E. all the above.

Answer: Option E

Explanation:

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

20. 

Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB

A. passes clear of hill top C
B. passes below the hill top C
C. grazes the hill top C
D. none of these.

Answer: Option B

Explanation:

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