Orientation of a plane table by solving two point problem is only adopted when s

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Question
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.

Correct Answer

given points are inaccessible

Surveying problems

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1. 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.

2. 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.

3. If the rate of gain of radial acceleration is 0.3 m per sec³ and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is
Options
A. 2.828
B. 3.828
C. 1.828
D. 0.828.

4. Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed
(where k is in kilometers.)
Options
A. � 0.1 k mm
B. � 0.2 k mm
C. � 0.1 k
D. 0.2 k mm.

5. The latitude of a traverse leg is obtained by multiplying its length by
Options
A. tangent of its reduced bearing
B. sign of its reduced bearing
C. cosine of its reduced bearing
D. cosecant of its reduced bearing.

6. 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.

7. 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

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