GATE MN Question Paper 2012.
GATE i.e. Graduate Aptitude Test in Engineering Mining Engineering 2012 Exam has been conducted by IISc Bangalore IIT Bombay IIT Delhi IIT Guwahati IIT Kanpur IIT Kharagpur IIT Madras IIT Roorkee. This GATE MN 2012 examination is the procedure to get the admission in M.Tech
GATE Mining Engineering i.e. MN Question Paper, This GATE MN 2012 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 2012 question paper in pdf file for GATE MN you can download it in FR MN, if GATE Mining Engineering 2012 paper in text for GATE MN you can download GATE MN 2012 page also just Go to menu bar, Click on File->then Save.
GATE MN Question Paper 2012
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Q.9 In a surface mine, sound pressure level at a location generated by operation of a dozer and a drill respectively are 80 dBA and 60 dBA, when operated independently. The sound pressure generated by the dozer compared to the drill is higher by a factor of
(A) 10 (B) 20 (C) 100 (D) 200
Q.10 As per the Indian Electricity Rules 1956, the maximum permissible length of a flexible cable used with an electric rope shovel in m is
(A)100 (B)200 (C) 300 (D)500
Q.11 The equipment that is NOT used in hard rock metal mining drivage is
(A) road header (B) drill jumbo
(C) jack hammer (D) dint header
Q.12 The roof bolt that follows the principle of point anchorage is
(A) expansion shell bolt (B) full column grouted bolt
(C) split set bolt (D) swellex bolt
Q.13 Equipment used in mining of placer deposits is
(A) auger (B) wagon drill (C) rope saw (D) riffle box
Q.14 A dump truck powered by 350 kW engine is running at a speed of 35 km/h. Considering the transmission efficiency of the truck as 85%, the rim pull of the truck in kN is
(A) 21 (B) 31 (C) 41 (D) 51
Q.15 Nystagmus is a miner’s disease associated with
(A) lever (B) lung (C) eye (D) stomach
Q.16 Apart from mining of coal, the longwall mining method has been practiced for mining the deposits of
(A) copper (B) lead and zinc (C) manganese (D) pyrite and phosphate
Q.17 The three segments, whose synchronous functioning is essential for GPS operations, are
(A) space, control and user (B) signal, control and user
(C) space, control and geo-registration (D) signal, control and geo-registration
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