Number of links per metre length of a chain are 2 5 8 10

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Question
Number of links per metre length of a chain are
Options
A. 2
B. 5
C. 8
D. 10
E. 20

Correct Answer

5

Surveying problems

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1. The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as
Options
A. chromatic aberration
B. spherical aberration
C. astigmatism
D. coma.

2. Locating the position of a plane table station with reference to three known points, is known as
Options
A. intersection method
B. radiation method
C. resection method
D. three point problem.

4. Under ordinary conditions, the precision of a theodolite traverse is affected by
Options
A. systematic angular errors
B. accidental linear errors
C. systematic linear errors
D. accidental angular errors.

5. In a perfect prismatic compass
Options
A. magnetic axis and geometric axis of the needle coincide
B. ends of the needle and pivot are in same vertical and horizontal planes
C. pivot is vertically over the centre of the graduated circle
D. needle is always kept sensitive
E. all the above.

8. If the declination of the needle is 10� W
Options
A. each of the whole circle reckoning has to be micros by 10�
B. in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
C. in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
D. all the above.

9. The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is
Options
A. 502.685 m
B. 501.345 m
C. 501.340 m
D. 504.030 m
E. 502.585 m.

10. The conventional sign shown in below figure represents a
Options
A. bridge carrying railway below road
B. bridge carrying road below railway
C. bridge carrying road and railway at the same level
D. a level crossing.

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