Ranging in chain survey means looking at an isolated point not on the line estab

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Question
Ranging in chain survey means
Options
A. looking at an isolated point not on the line
B. establishing an intermediate point on the line
C. determining the distance between end points
D. determining the offset distance
E. none of these

Correct Answer

establishing an intermediate point on the line

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4. The total change in level along the line is equal to total back sights
Options
A. minus total fore sights
B. the total rises minus total falls
C. the reduced level of last point minus reduced level of the first point
D. all the above.

5. In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is
Options
A. 2
B. 3
C. 4
D. 5
E. 3/2

6. In levelling operation,
Options
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.

8. To set out a parallel from a given inccessible point to a given line AB, the following observations and made
Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :
Options
A.
B.
C.
D.

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