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71
The formule for correction of curvature in meters.
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Answer: Option A
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72
The fore bearing of a line is S 45° 45' E then back bearing will be . . . . . . . .
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Answer: Option B
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73
The most commonly used datum is the . . . . . . . .
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Answer: Option B
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74
The area of triangle whose sides are 30m, 40m and 50m is . . . . . . . .
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Answer: Option A
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75
Satellite orbits are inclined at an angle of 550 from . . . . . . . .
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Answer: Option B
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76
For checking closed traverse the algebric sum of all departures should be equal to
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Answer: Option A
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77
The magnetic bearing of a line is 100 declination is 2°, the true bearing of line is . . . . . . . .
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Answer: Option C
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78
The priliminary inspection done to understand the features of the area to be surveyed is called . . . . . . . .
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Answer: Option A
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79
The local attraction at a station X is 1°E. The bearings of two lines XY and XZ are 45° and 330° respectively. The angle ZXY is . . . . . . . .
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Answer: Option A
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80
The number of types of Bench Marks are . . . . . . . .
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Answer: Option D
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