Mining Engineering
GATE MN format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 161–170 of 348. Imported answers require independent review unless marked reviewed.
Question 24
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Which one of the following is NOT a notifiable disease as per Indian mining legislation?
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If the ambient lapse rate is higher than the dry adiabatic lapse rate, the atmosphere is
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Identify the WRONG statement:
The application of controlled air recirculation in an underground work place can
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The correct order of pavement layers for a haul road from top to bottom is
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A mining company produces iron ore and sells to another company. Royalty to be paid is on the basis of
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Match the drilling pattern with mining operation
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The closest match of the scatter plot between the variables X and Y with the approximate attribute is
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A 3-point borehole extensometer is installed to identify the location of a single discontinuity plane in a hanging wall rock by measuring deformations at three locations as shown in the figure. The absolute readings of deformations measured on two different dates are listed in the table. Based on the measured data the most likely inference is
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Match the semi-variogram shape with the model name and the property.
Shapes P, Q, R and S; models I Pure nugget, II Exponential, III Spherical, IV Gaussian; properties E reaches sill at finite range, F reaches sill asymptotically, G reaches sill instantaneously.
= semi-variogram;
= lag distance.
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In a uniaxial compressive strength test, a rock sample of diameter 50 mm fails at an angle of 60° as shown in the figure. If the peak load at failure is 120 kN, the normal and shear stresses on failure plane respectively, in MPa are ______ and _____.
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