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MIZORAM ASSISTANT CONTROLLER OF MINES EXAM PAPERS

MIZORAM ASSISTANT CONTROLLER OF MINES EXAM PAPERS

26. The horizontal angle between true meridian and a line is called:
(a)Magnetic meridian(b)Azimuth
(c)Arbitrary meridian(d)Magnetic declination
27. Levelling in which the change in atmospheric pressure is recorded:
(a)Barometric levelling(b)Profile levelling
(c)Trigonometrically levelling(d)Reciprocal levelling
28. In traverse surveying the directions of survey lines are fixed by:
(a)Forming a network of triangles(b)Angular measurements
(c)Running of check lines(d)Arranging equilateral triangles
29. Total error in latitude and departure is distributed in proportion to the lengths of the sides by:
(a)Transit rule(b)Reversal point rule
(c)Centesimal rule(d)Bowditch rule
30. Which instrument in designed to work based on the satellite?
(a)EDM(b)GYRO
(c)GPS(d)Laser Scanner
31. What will be the angle between the two lines AB and AC whose bearings are 56° and 154°
respectively?
(a)98°(b)82°
(c)210°(d)18°
32. The maximum permissible angular error in seconds in a closed underground traverse of 16 stations
measured with 20 seconds theodolite is:
(a)200(b)120
(c)80(d)160
33. The combined effect of curvature and refraction in levelling is an error which is:
(a)Additive(b)Subtractive
(c)Multiplicative(d)Divisive