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DGMS MINING SIRDAR RESTRICTED

DGMS MINING SIRDAR RESTRICTED EXAM PAPER 27 DEC 2021

1) The gradient of any Haul road in an opencast mine shall not be steeper than 

a) 1 in 10

b) 1 in 16 

c) 1 in 20 

d) 1 in 12 

e) None of the these 

2) What is the normal temperature of human body? 

a) 35.90 C

b) 35.90 F

c) 36.90 C

d) 36.90 F

e) 39.60 C 

3) The height of the benches in overburden consisting of alluvial soil, morum, gravel, clay, debris or other similar ground shall not exceed 3 meters and the width thereof shall not be less than _____ times the height of the bench. 

a) One 

b) Two 

c) Three 

d) Four 

e) None of the above 

4) Performance of blasting is calculated as 

a) Stripping ratio 

b) Power factor 

c) Powder factor 

d) Space factor 

e) Blast factor 

5) Dust generation may be reduced by drilling with 

a) Blunt Bit 

b) High speed 

c) Low speed 

d) Sharp bit 

e) None of the above 

6) What is GPS 

a) Global positioning system 

b) Global pension scheme 

c) Geographical position scheme 

d) Grid positioning system 

e) None of the above 

7) No person shall, or shall be allowed to repair, adjust, clean or lubricate machinery in ______

a) Motion 

b) Stationery 

c) Both a & b 

d) None of the above 

e) All the above 

8) Slope stability radar is an instrument used for 

a) Slope Monitoring 

b) Open Cast Mine Survey 

c) Waste dump volume measurement 

d) Lightening protection 

e) All the above 

9) It is not an open cast mining term 

a) Bench 

b) Haul road 

c) Berm 

d) Goaf 

e) Burden 

10) Ater reclamation process the Quarried area can be turned in to? 

a) Parks 

b) Mini-forests 

c) Zoo 

d) Recreational centres 

e) All the above 

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