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Exam Details

Mining Engineering (MN) 2010

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Questions 65
Duration 180 mins
Package Mining Engineering (MN) - Previous Year Papers

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Difficulty distribution

Easy 65 100%

Question type distribution

Multiple Choices 65 100%

Instructions

Mining Engineering (MN) 2010 – Instructions
  • Total number of questions: 65
  • 30 questions carry one mark each
  • 35 questions carry two marks each
  • Negative marking: 1/3 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
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Syllabus

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Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2010 · Unclassified
Mining Engineering (MN) 2010
Q.1 – Q.25 carry one mark each.

Ascensionally ventilated coal mine inclines ideally should have higher methane layering number when compared to descensionally ventilated inclines. The reason is

A
in ascensionally ventilated incline density of air is higher
B
ascensionally ventilated incline creates conditions for improved turbulent mixing of methane layer
C
methane drainage is not practiced in ascensionally ventilated incline
D
descensionally ventilated incline creates conditions for improved turbulent mixing of methane layer
2
2010 · Unclassified
Mining Engineering (MN) 2010

A coolant is a desirable component in the design of a Self-Contained Breathing Apparatus since

A
surroundings can be hot and humid during rescue
B
a rescue worker generates large amount of metabolic heat
C
exhaled air CO₂ absorption is an exothermic reaction
D
exhaled air water vapour has to be condensed
3
2010 · Unclassified
Mining Engineering (MN) 2010

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]

Assertion : Both intake and return side stoppings must be closed simultaneously in the event of sealing off a coal mine panel with explosion hazard following a fire.

Reason : By continuously ventilating the area till simultaneous closure of the stoppings, the possibility of an explosion hazard due to gas build-up is avoided.

A
[a] is true but [r] is false
B
Both [a] and [r] are true and [r] is the correct reason for [a]
C
Both [a] and [r] are true and [r] is not the correct reason for [a]
D
Both [a] and [r] are false
4
2010 · Unclassified
Mining Engineering (MN) 2010

In a Cartesian coordinate system the vertices of a triangular plate are given by (-2, 1), (3, 4), and (-4, -3). The coordinates of the centre of gravity of the plate are

A
3, 4
B
7, 12
C
-1, -1
D
-3, -4
5
2010 · Unclassified
Mining Engineering (MN) 2010

An air quality parameter required to be monitored under the Indian National Ambient Air Quality Standards is

A
As
B
Pb
C
Hg
D
Silica
6
2010 · Unclassified
Mining Engineering (MN) 2010

In an underground coal mine, a freshly exposed roof can be supported by a temporary support in the form of

A
triangular chocks
B
screw props
C
safari supports
D
hydraulic props