51. |
What is the equivalent value in RB of 315 ?
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Answer:
Option (b) |
52. |
WCB is defined as horizontal angle measured from north to the given line in ________________ direction.
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Answer:
Option (b) |
53. |
Sum of interior angles for any traverse is check by _____________.
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Answer:
Option (a) |
54. |
When needle in compass gets deflected from its original position due to vicinity of iron structure or electric cables, this phenomenon is known as _____________.
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Answer:
Option (b) |
55. |
The horizontal angle between the true north and magnetic north is known as ____________.
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Answer:
Option (a) |
56. |
Variation in magnetic at a place caused by magnetic storms like earthquakes, nuclear explosion, etc is termed as ______________.
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Answer:
Option (d) |
57. |
____________ variation generally varies from 1 to 2 minutes depending upon location on earth.
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Answer:
Option (a) |
58. |
Secular variation varies in range of ____________ for change in nature of variation from positive to negative.
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Answer:
Option (c) |
59. |
If the magnetic bearing of a line is 203 and magnetic declination at that place is 5 W , then true bearing of line is _____________.
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Answer:
Option (c) |
60. |
_____________ is the art of determining the relative elevations of points located on or below the surface earth.
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Answer:
Option (a) |