ABCD is a rectangular plot of land. If the bearing of the side AB is 75�, the be

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Question
ABCD is a rectangular plot of land. If the bearing of the side AB is 75�, the bearing of DC is
Options
A. 75�
B. 255�
C. 105�
D. 285�

Correct Answer

75�

Surveying problems

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2. Magnetic bearing of a survey line at any place
Options
A. remains constant
B. changes systematically
C. varies differently in different months of the year
D. is always greater than true bearing.

3. Reduced bearing of a line is an angle between
Options
A. north line and given line measured clockwise
B. north line and given line measured anticlockwise
C. east or west and the given line
D. given line and the part of the meridian whether N end or S end, lying adjacent to it.

4. For preparation of a contour plan for a route survey
Options
A. method of squares is used
B. method of trace contour is used
C. method of cross profile is used
D. indirect method of contouring is used.

5. Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point
Options
A. angular measurements are correct and not the linear measurements
B. linear measurements are correct and not the angular measurements
C. angular and linear measurements are correct and not the plotting of traverse
D. angular and linear measurements and also plotting of the traverse are correct.

8. If d is the distance between equidistant odd ordinates, the Simpson's rule for the areas, is
Options
A. [h₁ + h_n + 2(h₃ + h₅ + ... + h_{n - 2}) + 4(h₂ + h₄ + ... + h_{n - 1})]
B. [h₁ + h_n + 2(h₃ + h₅ + ... + h_{n - 2}) + 4(h₂ + h₄ + ... + h_{n - 1})]
C. [h₁ + h_n x 2(h₂ + h₄ + ... + h_{n - 1}) + 4(h₃ + h₅ + ... + h_{n - 2})]
D. [h₁ + h_n + 2(h₃ + h₅ + ... + h_{n - 2}) + 4(h₂ + h₄ + ... + h_{n - 1})]
E. none of these.

9. The magnetic meridian at any point, is the direction indicated by a freely suspended
Options
A. magnetic needle
B. and properly balanced magnetic needle
C. properly balanced and uninfluenced by local attractive force
D. magnetic needle over an iron pivot.

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