is a conventional sign of mosque temple church idgah.

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Surveying problems

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1. Pick up the correct statement from the following :
Options
A. The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass
B. the imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines
C. the isogonic lines through places at which the declination is zero are termed agonic lines
D. all the above.

2. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is
Options
A. 1�43' 08"
B. 1�43' 18"
C. 1�43' 28"
D. 1�43' 38"

3. An internal focussing type surveying telescope, may be focussed by the movement of
Options
A. objective glass of the telescope
B. convex-lens in the telescope
C. concave lens in the telescope
D. plano-convex lens in the telescope.

4. Whole circle bearing of a line is preferred to a quadrantal bearing merely because
Options
A. bearing is not completely specified by an angle
B. bearing is completely specified by an angle
C. Sign of the correction of magnetic declination is different in different quadrants
D. its trigonometrical values may be extracted from ordinary tables easily.

5. Diaphragm of a surveying telescope is held inside
Options
A. eye-piece
B. objective
C. telescope tube at its mid point
D. telescope at the end nearer the eye-piece
E. telescope at its end nearer the objective.

6. Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known
Options
A. plane surveys
B. geodetic surveys
C. geographical surveys
D. topographical surveys.

9. The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is
Options
A. 28.8 secs
B. 41.25 secs
C. 14.52 secs
D. 25.05
E. none of these

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