Mine Legislation _ MCQ Multiple Choice Questions _ Answer _ DGMS Exam – Onlineminingexam

Mine Legislation Legislation | MCQ Multiple Multiple Choice Choice Questions Questions | Answer Answer | DGMS...

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Mine Legislation | MCQ Multiple Choice Questions | Answer | DGMS Exam WRITTEN BY MININGEXAM 1) Exhaust / Retarder braking system in a truck; 1. a) Is primarily to protect the service break from excess heat and save wear 1. b) Can stall the engine engine if the speci ed engine speed is is not maintained maintained 1. c) Is the preferred means of speed control when travelling down grades 1. d) All above 2) What is the minimum height of Roof in case of at roof Rest Shelters? 2. a) 2.5 Mts 3)

b) 3.0 Mts

c) 1.8 Mts

d) 3.5 Mts

Which of the following are the causes of “Slope failure”

1. a) Geological structure, textur b) Anomalies like dykes, faults, folds Etc. 1. c) Dynamic Loading.

d) Fissures and joint

1. e) ‘a’, ‘b’, ‘c’ & ‘d’ are correct 1. g) ‘c’ & ‘d’ are correct

f) ‘a’ & ‘b’ are correct h) ‘a’ & ‘d’ are correct

4) No drill shall be used for boring a shot hole unless it allows a clearance of atleast the diameter of the cartridge of explosive which it is intended to use. 2. a) 2 mm

b) 2.5mm

over

c) 4mm d) 3mm

5) Minor injuries shall be recorded in Form . 1 f 12

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Mine Legislation | MCQ Multiple Choice Questions | Answer | DGMS...

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and reports shall be sent to Regional Inspector once in 1. a) ‘J’ – once in a quarter

b) ‘K’ – once in a year

1. c) ‘J’ – once in a year

d) ‘K’ – once in a quarter

6) Sound level of Audio Visual Alarm (AVA) should be at least noise level. 1. a) 5 to 20%

b) 10 to 15%

higher than theambient

c) 20 to 25%

d) 5 to 10%

7) Runaway ramps can be seen at 1. a) Benches

b) Haul roads

c) O B Dumps

d) Workshop

8) Which of the Fire Extinguisher can be used for Electrical res? 1. a) Automatic

b) water type

c) Foam type

d) CO2 type

9) As per Reg.177 of MMR 1961 Every Fence erected on the surface shall once at least inevery week be examined by

.

1. a) Mines Manager b) Asst. Mines Manager c) Foreman 10) Adult means a person who has completed his 1. a) 20th

b) 18th

d) Competent person

year.

c) 21st

d) 19th

11) What are the “UNSAFE WORKING CONDITIONS” at Mines? Choose from the following. a)

Defective tools or equipment.

b) Congestion in the workplace.

c)

Narrow roads.

d) Improper method of working.

e)

Poorhousekeeping. f

) all are correct

12) A vehicle transporting EXPLOSIVES shall not be driven at speed exceeding 1. a) 25

b) 20

13) Voltage shall not exceed CEA Regulations. 2010. 1. a) 230

c) 15

KMPH.

d) 30

Volts for hand held portable apparatus used in theMines as per

b) 125

c) 250

d) 110

14) To reduce the Noise induced hearing loss by implementing 1. a) E ective Personal Protective Equipment 1. c) E ective administrative controls

2 f 12

b) E ective engineering controls d) All ‘a’, ‘b’ & ‘c’ are correct

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15) Which of the following are the main factors responsible for Blast induced ground vibrations? a)

Physio-Mechanical properties of Rock mass.

b) Explosive types and their properties.

c)

Irregular shape of free face.

d) Ground water table.

e)

All above

f) ‘a’, ‘b’ & ‘c’ are correct

16) As per 11th National Safety conference the contractor shall not employ or terminatehis worker without the knowledge of the 1. a) Mine Management b) Regional Inspector

c) Labour O cer

17) Proximity warning device is to be ed for 1. a) Excavators d)Dumpers/Tippers

d) DGMS

as an additional safetyfeature.

b) Water tankers

c) Drilling equipment

18) “Flash back arrestor” should be provided for_ 1. a) Compressor b) Gas welding / cuing set bridge

c) Generator

19) First-Aid Room shall have oor space not less than 1. a) 5 Sq.Mtr

b) 10 Sq. Mtr

c) 50 Sq.Mtr

d) weigh

. d) 15 Sq.Mtr

20) Notice of accident causing death or serious bodily injury in connection with miningoperations, in Form IV ‘A’ shall be sent to Regional Inspector within hours. 1. a) 24

b) 48

c) 72

d) 12

21) Burden is the distance between 1. a) Two blast holes in same row

b) distance between two rows

1. c) First row of the blast holes and bench

d) none is correct

22) Who will set permanent or temporary speed limits, for any area of the Mine or anyvehicle or class of vehicle? 1. a) Mines Manag b) Sr. O cial.

c) DGMS.

d) Mines Foreman.

23) If any employee contracts a noti ed occupational disease, the Mine Management shallsend notice to Regional Inspector in 1. a) Form ‘I’

b) Form ‘II’

c) Form IV ‘C’

d) Form ‘V’

24) To measure the performance of the blast which factor is calculated? 1. a) Tonnage factor

3 f 12

b) space factor c) stripping ratio

d) Powder factor

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25) No working shall be made within road or building. meters of any railway or of any public work or of any public 1. a) 60

b) 200

c) 45

d) 500

26) Voltage limits shall not exceed for general lighting in Opencast Mines? 1. a) 125 Volts. b) 650 Volts.

c) 250 Volts.

d) 11KV

27) Pointing out of contraventions by Chief Inspector or Regional Inspector of Mines shall be entered in 1. a) Form-V

b) Form-VI

c) Form-IV C

d) Form-IV A

28) Operator’s Seat in the Vehicle / HEMMs should be comforts while driving continuously. 1. a) Scienti cally

b) Technically

designed tohave adequate

c) Both ‘a’ & ‘b’

29) Workmen Inspector is designated by trade union in the mine. 1. a) DGMS

b) Mines Manager

d) Ergonomically in consultation with theregistered

c) Owner/Agent

d) Mines Foreman

30) In Opencast Mining, the width which is extracted from the working bench is termed as 1. a) Cut

b) Bench width c) bank width

d) Bench face

31) Minimum length of safety fuse at the ring end shall not be less than 1. a) 1.2 Mt b) 2 Mtr c) 1.8 Mtr.

d) 1.5 Mtr

32) Who are the persons not holding position of supervision or Management, choose fromfollowing, 1. a) Asst.Manager and Safety o cer

b) Electrical and Mechanical Engineer

1. c) Electrical supervisor

d) Mine Foreman

1. e) Medical o cer, chemist, welfare o cer f) Blaster 1. g) ‘b’ & ‘c’ are correct

h) Mine Mate

33) As per Regulation- 36 of MMR 1961, in opencast mines worked by HEMM, MechanicalEngineer shall be appointed, where aggregate H.P. of all machineries exceeds 1. a) 750

b) 250

c) 450

d) 500

34) According to Mines Act 1952, Calendar year means 1. a) 1st Apr to 31st Mar b) 1st Jan to 31st Dec

c) 1st Jan to 30th Sep

d) 1st Oct to 31st Dec

35) In case of hilly terrain Foreman district shall not exceed 4 f 12

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2. a) 2.0 KM

b) 1.5 KM


c) 1.0 KM

d) 0.5K M

36) Detailed pre-operational checks of vehicles used in theMine; 1. a) Improves mine e ciency, reduces down time and cuts maintenance costs 1. b) Improves equipment operator safety 1. c) Improves safety of other miners 1. d) All above 37) Cracking powder is used in Mines. 1. a) Dimension Stone / Granite

b) Limestone

c) Sand

d) Manganese

38) Notice of Medical examination under 29D of Mines Rules 1955 shall be given in 1. a) Form ‘M’

b) Form ‘N’

c) Form ‘Q’

d) Form ‘R’

39) Every Women employed in a mine above ground shall be allowed an interval of not less than hours between the termination of employment on any one day thecommencement of the next period of employment. 1. a) 11

b) 12

c) 24

d) 16

40) For employees engaged in Driving / HEMM operation jobs, eye refraction test should beconducted one in Years. 1. a) 2

b) 1

c) 3

d)5

41) The explosives shall be transported to the site of blasting not more than commencement of charging of the holes. 1. a) 30 mi b) 1 hour

c) 45 min.

d) 1 ½ hour

before the 42) Which of the following are the examples of an inadequately maintained haul road? 1. a) Pot holes or washouts

b) Inadequate berms

1. c) Bumps and muddy areas

d) inadequate gradient

1. d) All above 43) The energy shall not be transmied in to a Mine at a voltage exceeding used therein at a voltage exceeding . 6. a) 11 KV & 6.6 KV 11 KV

5 f 12

b) 1100 KV & 660 KV

c) 250 V & 650 V

andshall not be

d) 33 KV &

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44) Pit slope is the angle made by the imaginary line joining the – 1. a) Top most crest of the bench to boom most toe of the 1. b) Top most toe of the bench to the boom most toe of the benc 1. c) Top most crest of the bench to boom most crest of the 1. d) Average of the all bench ang 45) Maximum Exposure Limit of dust prescribed for 8 hrs time weighted average in Mine workingenvironment. 1. a) 5 Mg/m³

b) 3 Mg/m³

c) 7 Mg/m³

d) 10 Mg/m³

46) Which of the following is not the cause of “Fly rock” a)

Insu cient stemming of holes

b) Overcharging of holes

c)

Excessive burden

d) Geological disturbances

e)

‘a’, ‘b’, ‘c’ & ‘d’ are correct

e) faulty connection

47) Your colleague is complaining of breathlessness and a tight pain in the chest. You suspect aheart aack. What should you do? 1. a) Get him to lay down at. 1. b) Encourage him to stand up and move around slowly. 1. c) Make him to sit in a comfortable positi 1. d) Give him heart compressions and arti cial respirati 48) A successful accident investigation must answer three questions: What are they? 1. a) What happened?

2. How it happened?

3. Why it happened?

1. b) Who is behind it?

2. Who are involved?

3. Why they involved?

1. c) Why did they do?

2. Why they couldn’t avoid it

3. What went wrong?

1. d) ‘b’ & ‘c’ are correct 49) Which of the following features should be shown in water danger plan? 1. a) Position of dyke, fault and geological disturbances 1. b) River, stream, water course, reservoir 1. c) Surface contour lines 1. d) Highest Flood Level of the area 6 f 12

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1. e) All above 1. f) ‘a’, ‘b’ & ‘d’ are correct 50) “Super elevation” is a term used for designing 1. a) Benches

b) Haul Roads

c) Dumps

d) Magazine

51) If the mine wherein 1600 persons are ordinarily employed, the number of WorkmenInspector required as per as per Rule 29 Q of Mines Rules 1955. 1. a) 2

b) 3

c) 4

d) 5

52) The gradient of road is 1 in 16 , convert into degrees (θ) = 1. a) Sin -1 (1/16)

b) Cos -1 (1/16) c) Cot -1 (1/16) d) Tan -1 (1/16)

53) Pit slope is the angle made by the imaginary line joining the – 1. e) Top most crest of the bench to boom most toe of the 1. f) Top most toe of the bench to the boom most toe of the benc 1. g) Top most crest of the bench to boom most crest of the 1. h) Average of the all bench ang 54) As per 106 of MMR 1961, No tree, loose stone or debris shall remain within a distance of ——— from the edge or side of excavation. 1. a) 5 m

b)

4m

c) 3 m

d) 2 m

55) If the percentage of free respirable silica present is 10% in the atmosphere , what is thepermissible limit of free silica in milligrams per cubic meter of air sampled. 1. a) 1.5

b) 3

c) 10

d) 5

56) As per 173 of MMR 1961, the hydraulic test for the air receiver to be done at a pressure ofat least —- times the maximum permissible working pressure. 2. a) 2 times b) 2.5 times

c) 3 times

d) 1.5 times

57) Which of the following is correct statement? 1. Medical certi cates should be retained for 5 years from the date of medical examination 1. Medical certi cates should be retained as long as the person employed in mine. 1. Medical certi cates should be maintained as long as the person employed and 10 years thereafter. 1. Medical certi cates should be maintained as long as the person employed and 5 years thereafter. 58) The annual returns submied to the DGMS as per – First Schedule of which form? 1. a) Form –I 7 f 12

b) Form – II

c) Form – III

d) Form – IV 8/1/17 11 50 AM



59) Which of the following are the competent persons? 1. a) Blaster

b) wheel loader operator

c) Tipper Operator

d) All are correct

60) Full form of DGPS? 1. a) Di erential Global position set. 1. b) Digital Geo positioning system. 1. c) Data Geometrical positioning system 1. d) Di erential Global positioning system. 61) Miner died due to heart- aack during his duty hours without any injury . which of thefollowing statements is / are not true ? 1. It is considered as natural death due to heart issues. 1. It is an accident happened in the Mine. iii. The post mortem report to be submied to DGMS. 1. If post mortem report fails to submit to DGMS … it is considered as accident in the Mine. 1. a) i

b) iii

c) ii

d ) iii & IV

62) Regarding Foreman district the following statement is true. 1. In case of Mechanised Mine – working area of 3 power shovels. 2. In case of Semi – Mechanised – area of maximum of 4 Mate districts with 2 KM at area as radius. 3. In case of Mechanised Mine – working area of max. 2 power shovels. 4. In case of Semi – Mechanised – area of maximum of 2 Mate districts. 1. a) 1, 2

b) 2, 3

c) 3, 4

d) None of the abov

63) The usage of coal in the earth pit for 1. a) To increase the conductance of the earthing 1. b) To reduce the conductance of the earthing. 1. c) To increase the resistance of the earthin 1. d) All of the above. 64) The bench height is 6m, depth of the hole is 6.6 m (includes sub grade drilling), spacing is 4 m, burden is 5 m, the density of the rock is 2, and explosive used is 24kg. Find thepowder factor.

8 f 12

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1. a) 12

b) 10

c) 24


d) 11

65) As per Reg.177 of MMR 1961 Every Fence erected on the surface shall once at least inevery week be examined by . 1. a. Mines Manager

b) Asst. Mines Manager c) Foreman

d) Competent person

66) Which of the following is in the part of ISO (Internal Safety Organisation) i.

Managing Director

ii.

Director Technical

iii.

Safety o cer

iv.

None of the above

a) 1 & 2

b) 3 &3

c) 1, 2

d) 4

67) Which of the following is true regarding the workers participation in safety management? 1. a) Pit safety commiee 1. b) Commiee 1. c) Tripartite commiee 1. d) All of the above 68) The number of man days in the year 2014 is 26500, rest days are 54, and non working daysdue to sick are 46. Find the persons ordinarily employed in the Mine. Consider the yearmeans 365 days. 1. a) 110 b) 120

c) 100

d) 90

69) Which of the following statements is/ are true? 1. Parking brake is to be used when the dumper is in motion. 2. Parking brake is to be tested with dumper is in full load 3. Parking brake is to be tested with dumper is in empty position 4. Parking brake is to be tested at maximum gradient, permied for at least 10 minutes. 1. a) 4 only

b) 2 only

c) 2 , 4

d) 3 only

70) The handling gures of the Mine for the year 2014-15 are as below. The OB hanlding = 5,00,000 Tonnes , ore production = 2,00,000 Tonnes and densities of OB and Ore are 2.5 and 3respectively . Find the stripping ratio for the year 2014-15. 2. a) 1: 2.5

b) 2.5 : 1

c) 1: 1

d) 5 : 2

71) Which of the following are not the safety features of Belt conveyors? 9 f 12

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1. a) Limit switch b) Pullchord Switch


c) Hold back

d) vulcanizing device

72) As per DGMS Circular No 36/1972, nd the minimum width of the bench with the followingdata? The Height of the bench is 7 m , The boom reach of the machine is 6 m , the tipper plying on the bench , where tipperwidth is 2.5 m and the widest machine Hitachi – Ex800 working on the bench , where the EX – 800 width is 5.5 m. 7. a) 7.5 m

b) 6 m

c) 7 m

d) 5.5 m

73) Regarding the ground vibrations the following statement is true. 1. a) The lower the frequency – higher the ground displacement. 1. b) The higher the frequency – higher the ground displacement. 1. c) The frequency and ground displacements are directly proportional 1. d) None of the abov 74) If the depth of pit reaches —– meters the scienti c study on slope stability will bedone by scienti c agency. 1. a) 60 m

b) 75 m c) 50 m

d) 100 m

75) The form which shall be reported by Workmen Inspector. 1. a) Form – T

b) Form – R

c) Form – S

d) Form –

======================================================================== ANSWERS OF ABOVE QUESTIONS

======================================================================== Answer Sheet for Objective questions- Mine Legislation Question

Answer

No.

10 f 12

Question

Answer

No.

1

d

41

a

2

a

42

d

3

e

43

d

4

d

44

a

5

b

45

b

6

a

46

e

7

b

47

c

8

d

48

a

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11 f 12

9

d

49

e

10

b

50

b

11

f

51

b

12

a

52

d

13

b

53

a

14

d

54

c

15

f

55

a

16

a

56

d

17

d

57

c

18

b

58

c

19

b

59

d

20

a

60

d

21

c

61

c

22

a

62

b

23

d

63

a

24

d

64

b

25

c

65

d

26

c

66

a

27

b

67

d

28

d

68

c

29

b

69

c

30

b

70

c

31

a

71

d

32

f

72

a

33

a

73

a

34

b

74

a

35

c

75

d

36

d

37

a

38

a

39

a

40

b


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Mine Legislation _ MCQ Multiple Choice Questions _ Answer _ DGMS Exam – Onlineminingexam

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