Select the correct option to test your answer:
Mining Engineering
Mine Surveying
Difficulty: Medium
In tachometric observations, the staff readings are found to be 2.4m, 3m and 3.6m. If the angle of elevation is 45m the multiplying factor is 100 and the additive constant is 0.3m then horizontal distance between the staff and the instrument station expressed in m is . . . . . . . .
More Mining Engineering Questions
Using Hoskold's formula, the present worth, in rupees of annuity of Rs. 1 per year for the 10 years after the deferment period of 5 years and allowing the purchaser 10 % interest is
What should be interval of recapping of ropes other than the rope of Koepe system of winding?
Using the following data, calculate the NVP in a mine Depth of mine = 400 m; Barometer reading in DC shaft 750 mm of Hg; Average temperature in DC shaft 28°C; Average temperature in UC shaft 38°C.
Wearer of proto mark IV apparatus can not . . . . . . . . with among brigade members.
Density of air at 15°C and 760 mm Hg is