Keeping the instrument height as 1 m, length of staff 4 m, the up gradient of th

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Civil Engineering ‣ Surveying Comments

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

Correct Answer

45 m

Surveying problems

Search Results

1. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to
Options
A. cumulative, + 0.11 m
B. compensating, � 0.11 m
C. cumulative, - 0.11 m
D. none of these

2. Measuring with a 30 m chain, 0.01 m too short, introduces
Options
A. positive compensating error
B. negative compensating error
C. positive cumulative error
D. negative cumulative error.

3. Orientation of a plane table by solving two point problem is only adopted when
Options
A. saving of time is a main factor
B. better accuracy is a main factor
C. given points are inaccessible
D. none of these.

4. For setting out a simple curve, using two theodolites.
Options
A. offsets from tangents are required
B. offsets from chord produced are required
C. offsets from long chord are required
D. deflection angles from Rankine's formula are required
E. none of these.

5. True meridian of different places
Options
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.

10. 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
Options
A. passes clear of hill top C
B. passes below the hill top C
C. grazes the hill top C
D. none of these.

Comments

More in Civil Engineering: