Mining Engineering
2022 · Paper 1
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Complete GATE MN 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 46–48 of 65. Imported answers require review unless explicitly marked reviewed.
Question 46
Open questionMNNAT2 marksNeeds review
The shaft-top coordinates of two vertical shafts are given below. The depth of the shaft A and B are 200 m and 149 m, respectively.
Shaft | Latitude (m) | Departure (m) | Surface RL (m) |
|---|---|---|---|
A | N70.0 | W150.0 | 250 |
B | N170.0 | E50.0 | 209 |
The downward gradient of the line joining the bottom of the two shafts in degrees, is ______. (round off to two decimal places)
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Open questionMNNAT2 marksNeeds review
The oxygen-balanced equation for explosive ANFO is given below.
For 100 litre of fuel oil having density 850 kg/m³, the amount of ammonium nitrate to be mixed, in kg, is ______. (round off to two decimal places)
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Open questionMNNAT2 marksNeeds review
Two weightless cables of equal length and cross sectional area are hanging from a ceiling as shown in the figure. They are connected by a horizontal bar of length 1.0 m and pulled by a force, F. The modulus of elasticity of Cable-1 and Cable-2 are 50 GPa and 200 GPa, respectively. If the deformation in both the cables is equal, the distance x, in m is ______. (round off to one decimal place)
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