?, ? are the horizontal angles measured at the ends of a base line AB to a hill

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?, ? are the horizontal angles measured at the ends of a base line AB to a hill top whose angle of elevation from station A is ?�. The height of the hill top above the trunnion axis of the theodolite station, is
Options
A.
B.
C.
D.

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2. 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.

3. 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.

6. If V is the speed of a locomotive in km per hour, g is the acceleration due to gravity, G is the distance between running faces of the rails and R is the radius of the circular curve, the required super elevation is
Options
A.
B.
C.
D.

10. Accurate measurement of deflection angles with a transit not properly adjusted may be made by
Options
A. setting the vernier A at zero at back station and then plunging the telescope
B. setting the vernier A at zero at back station and turning the instrument to the forward station
C. taking two back sights one with the telescope normal and the other with telescope inverted
D. none of these.

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