# GATE MN Question Paper 2009

GATE MN Question Paper 2009.

GATE i.e. Graduate Aptitude Test in Engineering Mining Engineering 2009 Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE MN 2009 examination is the procedure to get the admission in M.Tech

GATE Mining Engineering i.e. MN Question Paper, This GATE MN 2009 Question will help all the students for their exam preparation, here the question type is MCQ i.e multiple choice question answers, if this GATE MN 2009 question paper in pdf file for GATE MN you can download it in FR MN, if GATE Mining Engineering 2009 paper in text for GATE MN you can download GATE MN 2009 page also just Go to menu bar, Click on File->then Save.

## GATE MN Question Paper 2009

GATE MN 2009 Question paper Free Download PDF is available in www.oldquestionpapers.net which has been provided by many students this GATE Mining Engineering 2009 paper is available for all the students in FR MN and also GATE MN 2009 question paper fully solved i.e with answer keys and solution.

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Q.2 In a normal (Gaussian) distribution curve, the area between one standard deviation from mean on either side in percent is
(A)50 (B)68 (C)86 (D) 95

Q.3 A measure of dispersion of a sample daa set is
(A) mean (B) median (C) mode (D) standard deviation

Q.6 The rock mass classification system that considers “active stress” factor is
(A) Q-system (B) RMR (C) RQD (D) GSI

Q.8 In a longwall mining subsidence phenomenon, the “angle of break” is the angle between
(A) the vertical line at the panel edge and line connecting the panel edge and zero subsidence on the surface
(B) the vertical line at the panel edge and line connecting the panel edge and point of critical deformation on the surface
(C) the vertical line at the panel edge and line connecting the panel edge and the point of the maximum tensile strain on the surface
(D) the horizontal line and the line connecting the panel edge and zero subsidence on the surface

Q.9 Pocket and Wing technique of pillar extraction is relevant to
(A) room and pillar method (B) bord and pillar method
(C) Wongawilli method (D) shortwall method

Q.10 A non-electric detonating relay does NOT contain
(A) delay element (B) fuse head
(C) metal sleeve (D) neoprene connecting tube

Q.11 An iron ore deposit has a mean grade of 63% Fe. During the course of mining, 30% fines by weight are generated at a grade of 72% Fe which are rejected. The effective mean grade of the deposit in Fe percentage is
(A)59.1 (B)53.1 (C)50.4 (D) 41.4