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Download GATE Mining Engineering Exam paper Here I am giving you question paper for GATE Mining Engineering Examination in PDF file attached with it so you can get it easily.. Q.1 In the Coward flammability diagram, the respective percentages of methane and oxygen at the nose limit are (A) 14.2, 0.0 (B) 14.1, 18.2 (C) 5.8, 12.1 (D) 5.0, 19.2 Q.2 If the transpose of a matrix is equal to its inverse, then the matrix is (A) symmetric (B) orthogonal (C) skew symmetric (D) singular Q.3 In the Moh’s scale of hardness, the minerals in increasing sequence of hardness are (A) calcite, gypsum, topaz, diamond (B) topaz, gypsum, calcite, diamond (C) calcite, gypsum, diamond, topaz (D) gypsum, calcite, topaz, diamond Q.5 For a 25 mm diameter spherical charge, the maximum allowable charge length in cm is (A) 15.0 (B) 25.0 (C) 30.0 (D) 150.0 Q.6 Long-hole drilling with crater blasting is used for the construction of (A) winze (B) shaft (C) raise (D) decline Q.7 Rill stoping method is a form of (A) block caving (B) artificially supported stoping (C) underhand stoping (D) overhand stoping Q.8 Transit theodolite is a (A) micro-optic theodolite (B) theodolite with face left and face right reading facilities (C) theodolite with stadia hairs (D) theodolite with two vertical circles Q.9 Incubation period is NOT related to (A) crossing point temperature of coal (B) panel size (C) seam thickness (D) explosibility of coal dust Q.10 The rotational speed and cutting velocity of a drill are 350 rpm and 71.50 m/min respectively. The diameter of the rotary drill bit in mm is (A) 65 (B) 67 (C) 68 (D) 70 Q.11 The pressure on a phreatic surface is (A) less than atmospheric pressure (B) greater than atmospheric pressure (C) equal to atmospheric pressure (D) independent of atmospheric pressure Q.12 Events A and B are independent but NOT mutually exclusive. If the probabilities P(A) and P(B) are 0.5 and 0.4 respectively, then P( ∪B) is (A) 0.6 (B) 0.7 (C) 0.8 (D) 0.9 Q.13 Among the following options, the specific energy for rock-drilling is lowest in (A) rotary diamond drilling (B) rotary roller drilling (C) percussive drilling (D) jet piercing Q.14 Identify the correct statement for a ‘normal distribution’. (A) Mean is greater than mode but less than median (B) Mean is less than mode but greater than median (C) Mean is greater than mode and median (D) Mean, median and mode are equal Q.15 An emulsion explosive of specific gravity 1.25 is used for blasting in an iron ore formation having P-wave velocity of 3000 m/s and specific gravity of 3.20. For an explosive impedance to rock impedance ratio of 0.5, the desired velocity of detonation of the explosive in m/s is (A) 3840 (B) 4000 (C) 4200 (D) 7680 Q.16 The number of ways in which the letters in the word MINING can be arranged is (A) 90 (B) 180 (C) 360 (D) 720 Q.17 Under standard temperature and pressure conditions the theoretical maximum height in m to which water can be lifted using an air-lift pump is (A) 10.33 (B) 9.61 (C) 7.45 (D) 6.05 Q.18 In a belt conveyor system, function of the snub pulley is to (A) clean the inner surface of the belt (B) clean the outer surface of the belt (C) increase the angle of contact of belt with drive drum (D) decrease the belt tension Last edited by Neelurk; April 9th, 2020 at 11:04 AM. |
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