Ramesh Prajapat, First Class Mines Manager, India.

Whatsapp:- +91 6376115221

Mine Legislation | MCQ Multiple Choice Questions |

Answer | DGMS Exam
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 if the specified engine speed is not 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 flat roof Rest Shelters?

2. a) 2.5 Mts b) 3.0 Mts c)

1.8 Mts d) 3.5 Mts

3) 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 f) ‘a’ & ‘b’ are
correct

1. g) ‘c’ & ‘d’ are

correct
h) ‘a’ & ‘d’ are correct

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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

2. a) 2 mm b) 2.5mm c) 4mm d) 3mm

5) Minor injuries shall be recorded in Form

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 higher than theambient noise level.

1. a) 5 to 20% b) 10 to 15%
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 fires?

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 .

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

1. a) Mines Manager b) Asst. Mines Manager c) Foreman d)

Competent person

10) Adult means a person who has completed his year.

1. a) 20th b) 18th 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.
Poorhousekeeping.
e) ) all are correct
f

12) A vehicle transporting EXPLOSIVES shall not be driven at speed

exceeding KMPH.

1. a) 25 b) 20 c)
15 d) 30

13) Voltage shall not exceed Volts for hand held portable
apparatus used in theMines as per CEA Regulations. 2010.

1. a) 230 b) 125 c)
250 d) 110

14) To reduce the Noise induced hearing loss by implementing

1. a) Effective Personal Protective

Equipment b) Effective engineering
controls

1. c) Effective administrative
controls d) All ‘a’, ‘b’
& ‘c’ are correct

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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 Officer d) DGMS

17) Proximity warning device is to be fitted

for as an additional safetyfeature.

1. a) Excavators b) Water
tankers c) Drilling equipment
d)Dumpers/Tippers

18) “Flash back arrestor” should be provided

for_

1. a) Compressor b) Gas welding / cutting

set c) Generator d)
weigh bridge

19) First-Aid Room shall have floor space not less than .

1. a) 5 Sq.Mtr b) 10 Sq. Mtr c) 50 Sq.Mtr 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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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. Official. c)

DGMS. d) Mines Foreman.

23) If any employee contracts a notified 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 b) space factor c) stripping

ratio d) Powder factor

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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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 designed tohave adequate
comforts while driving continuously.

1. a) Scientifically b) Technically c) Both

‘a’ & ‘b’ d) Ergonomically

29) Workmen Inspector is designated

by in consultation with
theregistered trade union in the mine.

1. a) DGMS b) Mines Manager 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 firing end shall not be less than

1. a) 1.2 Mt b) 2 Mtr c) 1.8 Mtr. d) 1.5 Mtr

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

32) Who are the persons not holding position of supervision or Management,
choose fromfollowing,

1. a) Asst.Manager and Safety officer b) Electrical and

Mechanical Engineer

1. c) Electrical
supervisor
d) Mine Foreman

1. e) Medical officer, chemist, welfare officer 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

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;

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

1. a) Improves mine efficiency, 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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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 transmitted in to a Mine at a voltage

exceeding andshall not be used therein at a voltage
exceeding .

6. a) 11 KV & 6.6 KV b) 1100 KV & 660

KV c) 250 V & 650 V d) 33
KV & 11 KV

44) Pit slope is the angle made by the imaginary line joining the –

1. a) Top most crest of the bench to bottom most toe of the

1. b) Top most toe of the bench to the bottom most toe of the benc

1. c) Top most crest of the bench to bottom most crest of the

1. d) Average of the all bench ang

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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) Insufficient 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 attack.

What should you do?

1. a) Get him to lay down flat.

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 artificial 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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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

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 bottom most toe of the

1. f) Top most toe of the bench to the bottom most toe of the benc

1. g) Top most crest of the bench to bottom most crest of the

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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 certificates should be retained for 5 years from the date of

medical examination

1. Medical certificates should be retained as long as the person employed in

mine.

1. Medical certificates should be maintained as long as the person employed

and 10 years thereafter.

1. Medical certificates should be maintained as long as the person employed

and 5 years thereafter.

58) The annual returns submitted to the DGMS as per – First Schedule of which
form?

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

1. a) Form –I b) Form – II c) Form –

III d) Form – IV

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) Differential Global position set.

1. b) Digital Geo positioning system.

1. c) Data Geometrical positioning system

1. d) Differential Global positioning system.

61) Miner died due to heart- attack 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 submitted 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.

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

2. In case of Semi – Mechanised – area of maximum of 4 Mate districts with 2

KM flat 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.

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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

iii. Safety officer

iv. None of the above

a) 1 & 2 b) 3 c) 1, 2 &3 d) 4

67) Which of the following is true regarding the workers participation in safety
management?

1. a) Pit safety committee

1. b) Committee

1. c) Tripartite committee

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, permitted for at least

10 minutes.

1. a) 4 only b) 2 only c) 2 ,
4 d) 3 only

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

70) The handling figures 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?

1. a) Limit switch b) Pullchord Switch c) Hold back d)

vulcanizing device

72) As per DGMS Circular No 36/1972, find 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 scientific study on slope stability
will bedone by scientific agency.

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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 –

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ANSWERS OF ABOVE QUESTIONS

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Answer Sheet for Objective questions- Mine Legislation

QuestionNo.Answer QuestionNo.Answer

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

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

DGMS
Ramesh Prajapat, First Class Mines Manager, India. Whatsapp:- +91 6376115221

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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