GATE MN Mine Surveying PYQs & Answers — Page 4

Questions 31–38 of 38. Imported answers require independent review unless marked reviewed.

Topic practice 38 questionsPage 4 of 4

Two contours of RL 60 m and 70 m are separated by 34 m measured along dip of the seam. The dip of the seam in degree is ______________.

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The RL of the initial station is 200 m. If

and

, then the RL of the last station in m is ____________.

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A 20 m long steel tape used for survey is found to be short by 10 cm. If the area measured with the steel tape is 500

, the actual area in

is ____________________.

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Two points on the equator have longitudes 55°E and 25°W. Considering radius of earth as 6400 km, the distance between the two points in km is ________________.

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The magnetic bearing of a line is 65°30′. If the declination is 4°30′ W, the true bearing of the line in degrees is ________

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A vertical photograph of a 40 m high hill is taken from 4.4 km height. If the focal length of the camera is 15 cm, the scale of the photograph is ________

Your answerChoose one option.

1 in 29067

1 in 7267

1 in 29050

1 in 968

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The following readings refer to a reciprocal leveling at staff stations A and B respectively:

| Instrument station | Staff reading A (m) | Staff reading B (m) | Remarks | | P | 1.725 | 2.835 | RL of A = 125.0 m | | Q | 0.835 | 1.545 | |

The reduced level (RL) of staff station B in m is

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The areas within the contour lines of a proposed site for an overburden dump are as follows:

| Contour RL (m) | Area (m²) | | 195 | 3054 | | 180 | 3025 | | 165 | 2095 | | 150 | 2008 | | 135 | 2000 | | 120 | 1992 |

The total volume of overburden in cubic meter that could be dumped within the 120 m and 195 m contour levels is

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GATE MN Mine Surveying PYQs

Question 19

Question 20

Question 49

Question 51

Question 16

Question 17

Question 29

Question 30