Mining law is one of those subjects where you can know the concepts well and still lose marks, because the questions are all about exact numbers: how many days, how many persons, how many hours, how much fine. If you are preparing for DGMS exams, Mining Sirdar, GATE Mining or any mining engineering paper, a solid round of practice on mine legislation is time well spent.
This post brings together 84 MCQs on Mine Legislation and General Safety, covering the Mines Act, 1952, the Mines Rules, 1955 and the Coal Mines Regulations. Try each question first, then tap Show Answer to see the answer with a short explanation. You can jump to any part using the links below.
Contents
- Mines Act, 1952 (Applicability, Powers and Competent Persons) (Q1 to Q15)
- Mine Rules, Definitions and Notices (Q16 to Q23)
- Hours of Work, Leave, Employment and Penalties (Q24 to Q58)
- Returns, Notices and Board Examinations (Q59 to Q68)
- Managers, Staffing and Statutory Appointments (Q69 to Q84)
Mines Act, 1952 (Applicability, Powers and Competent Persons) (Q1 to Q15)
1. Under the Mines Act, 1952, an excavation made only for prospecting is exempt from most provisions of the Act if not more than ___ persons are employed on any one day.
A. 15
B. 20
C. 25
D. 30
Show Answer
Answer: B. 20
Section 3(1) exempts prospecting excavations (not meant for obtaining minerals for use or sale) when no more than 20 persons work on any day, the depth stays within the limit and no part goes below superjacent ground.
2. For a prospecting excavation, the depth measured from its highest to its lowest point must not exceed ___ (and ___ in the case of coal).
A. 15 m; 6 m
B. 10 m; 6 m
C. 6 m; 15 m
D. 10 m; 20 m
Show Answer
Answer: C. 6 m; 15 m
The depth limit is 6 m in general and 15 m for an excavation in coal.
3. In an opencast working, the Mines Act does not apply to certain minor minerals if the depth of excavation does not exceed:
A. 6 m
B. 10 m
C. 3 m
D. 15 m
Show Answer
Answer: A. 6 m
For opencast workings of the listed minor minerals, the exemption holds only if depth is within 6 m, not more than 50 persons are employed on any day and explosives are not used.
4. The Mines Act comes into force on:
A. 1st July 1952
B. 27th May 1952
C. 15th March 1952
D. None of these
Show Answer
Answer: A. 1st July 1952
The Act received assent on 15 March 1952 and was brought into force on 1 July 1952 by a notification dated 27 May 1952.
5. The Mines Act does not apply (subject to conditions) to the extraction of:
A. Laterite
B. Limestone
C. Ordinary clay
D. All of the above
Show Answer
Answer: D. All of the above
Section 3(1) lists minerals such as laterite, ordinary clay, building stone and limestone, but the exemption applies only when its conditions are met.
6. In an opencast working, the Act does not apply where the number of persons employed on any day does not exceed:
A. 20
B. 40
C. 50
D. 100
Show Answer
Answer: C. 50
Along with the 6 m depth limit and no use of explosives, the headcount must stay at 50 or less.
7. Who is appointed as chairman of the committee constituted under Section 12 of the Mines Act, 1952 to consider proposals for making rules and regulations?
A. A person in Government service who is not the Chief Inspector
B. Any inspector
C. A qualified mining engineer
D. The owner of the mine
Show Answer
Answer: A. A person in Government service who is not the Chief Inspector
The chairman is an independent Government servant, kept separate from the Chief Inspector.
8. Which section of the Mines Act, 1952 deals with the powers of Inspectors when causes of danger are not expressly provided against, or when employment of persons is dangerous?
A. Section 9
B. Section 22
C. Section 23
D. Section 24
Show Answer
Answer: B. Section 22
Section 22 is titled 'Powers of Inspectors when causes of danger not expressly provided against exist or when employment of persons is dangerous'.
9. Which section of the Mines Act, 1952 gives the power to prohibit employment in mines?
A. Section 22A
B. Section 23
C. Section 24
D. Section 25
Show Answer
Answer: A. Section 22A
Section 22A is 'Power to prohibit employment in certain cases'. Section 23 deals with notice of accidents.
10. At every below-ground mine where more than 'A' persons are ordinarily employed below ground and there is no rescue station within 35 km, the owner must set up a rescue room near the mine entrance. 'A' is:
A. 25
B. 50
C. 75
D. 100
Show Answer
Answer: D. 100
This is the usual figure given for the rescue room requirement under the Mines Rescue Rules.
11. The provisions of the Mines Act, 1952 do not apply (except a few sections) to a mine where not more than 'n' persons are employed on any day in connection with the excavation. 'n' is:
A. 5
B. 10
C. 20
D. 40
Show Answer
Answer: C. 20
This follows the 20-person limit used for prospecting excavations.
12. Before every medical examination under Rule 29B, the manager must give the persons to be examined at least N days' prior notice in writing. N is:
A. 10 days
B. 15 days
C. 20 days
D. 30 days
Show Answer
Answer: B. 15 days
Advance written notice lets workers prepare for the periodic medical examination.
13. In which of the following cases are the provisions of the Mines Act not applicable?
A. Depth of excavation is less than 15 cm
B. Fewer than 20 persons are employed on one day
C. Depth is less than 15 cm and at least 20 persons are employed on a day
D. In all cases, irrespective of manpower
Show Answer
Answer: B. Fewer than 20 persons are employed on one day
A small workforce (not more than 20 persons) is one of the conditions for exemption.
14. Who is not an official but is a competent person?
A. Overman or foreman
B. Mining sirdar or mate
C. Shotfirer or blaster
D. Under-manager
Show Answer
Answer: C. Shotfirer or blaster
Under the Coal Mines Regulations, the list of officials includes under-managers, overmen, sirdars and surveyors. A shotfirer is a competent person but not an official.
15. Who is duly appointed in writing by the manager as a competent person to supervise an operation, plant or equipment?
A. Shotfirer or blaster
B. Surveyor
C. Ventilation officer
D. Safety officer
Show Answer
Answer: A. Shotfirer or blaster
A competent person is a person appointed in writing by the manager for a specific duty, and the shotfirer is the standard example.
Mine Rules, Definitions and Notices (Q16 to Q23)
16. The Mines Rules came into force on:
A. 2nd March 1955
B. 2nd July 1955
C. 2nd May 1955
D. 2nd January 1955
Show Answer
Answer: A. 2nd March 1955
Mines Rules, 1955 are the rules framed under the Mines Act, 1952.
17. According to the Coal Mines Regulations, any place in the mine to which there is lawful access is called:
A. Face
B. Gallery
C. Working place
D. Working
Show Answer
Answer: C. Working place
It covers any place in the mine where persons have lawful access to work.
18. Any excavation made, or being made, in a mine for the purpose of searching for or obtaining coal is called:
A. Exploration
B. Working
C. Drilling
D. Boring
Show Answer
Answer: B. Working
'Working' means any excavation made for searching or obtaining minerals.
19. The moving front of any working place, or the in-bye end of an entry or gallery, is called:
A. Heading
B. Face
C. Seam
D. Goaf
Show Answer
Answer: B. Face
The face is where coal is actually being won or the roadway is being driven.
20. 'General body of air' means the general atmosphere in a seam but does not include the general atmosphere in:
A. Roof cavities
B. The sealed-off area
C. Any bore hole drilled in coal
D. Both the sealed-off area and any bore hole
Show Answer
Answer: D. Both the sealed-off area and any bore hole
Pockets such as sealed-off areas and bore holes are left out when the general body of air is sampled.
21. When a mine or seam has been abandoned, or working has been discontinued for more than 60 days, the owner or manager must inform the Chief Inspector within ___ of the abandonment or of the end of that period.
A. 7 days
B. 15 days
C. 30 days
D. 40 days
Show Answer
Answer: C. 30 days
Abandonment and long discontinuance must be reported promptly to the Chief Inspector.
22. When it is intended to reopen a mine or seam after abandonment or a discontinuance of more than 60 days, the owner or manager must give the Chief Inspector at least ___ notice before resumption of mining operations.
A. 7 days
B. 15 days
C. 30 days
D. 40 days
Show Answer
Answer: C. 30 days
At least 30 days' notice is required before reopening.
23. When there is a change in the name or ownership of a mine or in the owner's address, the owner or manager must inform the Chief Inspector within ___ of the change.
A. 7 days
B. 15 days
C. 30 days
D. 40 days
Show Answer
Answer: A. 7 days
Changes in ownership and address are reported within a short window of seven days.
Looking for more safety practice? Try our Mining Safety MCQ Series next.
Hours of Work, Leave, Employment and Penalties (Q24 to Q58)
24. No adult shall work above ground in a mine for more than ___ in any week.
A. 36 hours
B. 24 hours
C. 48 hours
D. 60 hours
Show Answer
Answer: C. 48 hours
The weekly limit is 48 hours, both above ground and below ground.
25. Overtime wages are ___ the ordinary rate of wages.
A. Equal to
B. Twice
C. Thrice
D. Half of
Show Answer
Answer: B. Twice
Overtime is paid at double the ordinary rate.
26. No person shall be allowed to work in a mine if he has already worked in any other mine within the preceding:
A. 6 hours
B. 9 hours
C. 12 hours
D. 18 hours
Show Answer
Answer: C. 12 hours
This rule prevents workers from working back-to-back shifts across two mines.
27. The maximum maternity leave allowed (as given in the older legislation this question is based on) is:
A. 4 weeks
B. 6 weeks
C. 9 weeks
D. 12 weeks
Show Answer
Answer: D. 12 weeks
This is the figure given in older texts. Note that the Maternity Benefit (Amendment) Act, 2017 raised maternity leave to 26 weeks for the first two children.
28. A person who has been allowed leave of not less than ___ shall be paid the wages due for the leave period before his leave begins.
A. 3 days
B. 4 days
C. 6 days
D. 9 days
Show Answer
Answer: B. 4 days
Advance payment of leave wages applies when the leave is at least 4 days.
29. What is the maximum working time in a day for an adult worker (excluding overtime)?
A. 6 hours
B. 8 hours
C. 9 hours
D. 12 hours
Show Answer
Answer: C. 9 hours
The daily limit is 8 hours below ground and 9 hours above ground, with 9 being the highest figure.
30. What is the maximum fine for obstructing an Inspector in the discharge of his duties?
A. ₹500
B. ₹1000
C. ₹200
D. ₹2500
Show Answer
Answer: A. ₹500
Section 63 provides for imprisonment up to three months, or a fine up to ₹500, or both.
31. What is the maximum fine for giving a notice, return or report that is not true to the best of one's knowledge or belief?
A. ₹500
B. ₹1000
C. ₹200
D. ₹2500
Show Answer
Answer: B. ₹1000
Section 64 (falsification of records) provides for imprisonment up to three months, or a fine up to ₹1000, or both.
32. What is the maximum fine for running a mine without appointing a manager?
A. ₹500
B. ₹1000
C. ₹200
D. ₹2500
Show Answer
Answer: D. ₹2500
Section 69 (failure to appoint manager) provides for imprisonment up to three months, or a fine up to ₹2500, or both.
33. What is the maximum fine for contravention of certain regulations or bye-laws?
A. ₹500
B. ₹1000
C. ₹2000
D. ₹2500
Show Answer
Answer: C. ₹2000
Section 72A provides for imprisonment up to six months, or a fine up to ₹2000, or both, for contravening certain regulations.
34. A 'child' means a person who has not completed his:
A. 16th year
B. 17th year
C. 18th year
D. 15th year
Show Answer
Answer: D. 15th year
In the older definition a child was someone who had not completed 15 years of age.
35. As per the mines rules, the interior walls of a latrine shall be whitewashed at least once in every:
A. 4 months
B. 3 months
C. 2 months
D. 1 month
Show Answer
Answer: B. 3 months
Regular whitewashing is part of the sanitation requirements for mines.
36. No woman shall be employed in any mine above ground except between the hours of:
A. 6 AM to 7 PM
B. 5 AM to 6 PM
C. 6 AM to 6 PM
D. 5 AM to 7 PM
Show Answer
Answer: A. 6 AM to 7 PM
Section 46 bars women from below-ground work and permits above-ground work only between 6 A.M. and 7 P.M.
37. Leave with wages for a person employed below ground is calculated at the rate of one day for every ___ days of work performed.
A. 15
B. 20
C. 30
D. 25
Show Answer
Answer: A. 15
Below-ground workers earn leave at the rate of one day for every 15 days worked.
38. Leave with wages for a person employed above ground is calculated at the rate of one day for every ___ days of work performed.
A. 15
B. 20
C. 30
D. 25
Show Answer
Answer: B. 20
Above-ground workers earn leave at the rate of one day for every 20 days worked.
39. An additional workmen's inspector is to be nominated to assist the workmen's inspector where the number of persons employed in a mine exceeds:
A. 1000
B. 1200
C. 750
D. 1500
Show Answer
Answer: A. 1000
Larger mines need more than one workmen's inspector.
40. A person employed below ground becomes eligible for leave with wages if he puts in not less than ___ attendances during the calendar year.
A. 190
B. 240
C. 150
D. 300
Show Answer
Answer: A. 190
The attendance requirement is 190 days below ground and 240 days above ground.
41. How many compensatory days of rest are to be allowed in a week to a person?
A. 1
B. 2
C. 3
D. 4
Show Answer
Answer: A. 1
A person who loses a weekly rest day is given a compensatory day of rest.
42. What is the maximum fine for using a false certificate of fitness?
A. ₹500
B. ₹1000
C. ₹100
D. ₹200
Show Answer
Answer: D. ₹200
Section 65 provides for imprisonment up to one month, or a fine up to ₹200, or both.
42. What is the maximum fine for using a false certificate of fitness?
A. ₹500
B. ₹1000
C. ₹100
D. ₹200
Show Answer
Answer: D. ₹200
Section 65 provides for imprisonment up to one month, or a fine up to ₹200, or both.
43. An adult means a person who has completed his:
A. 16th year
B. 18th year
C. 20th year
D. 23rd year
Show Answer
Answer: B. 18th year
A person who has completed 18 years of age is an adult.
44. Where work in a seam is carried out by two or more sets of persons working during different periods of the day, each such set is called a ___ and each such period is called a ___.
A. Relay; Shift
B. Shift; Relay
C. Shift; Work time
D. None of these
Show Answer
Answer: A. Relay; Shift
Each set of workers is a relay, and the period during which a relay works is its shift.
45. If a medical practitioner fails to send a report about a notified disease, he shall be punished with a maximum fine of:
A. ₹25
B. ₹50
C. ₹75
D. ₹100
Show Answer
Answer: B. ₹50
The penalty for this lapse is a small fine as given in the Act.
46. The periods of work of any adult shall be arranged so that, along with his interval of rest, they do not spread over more than ___ in any day.
A. 12 hours
B. 24 hours
C. 36 hours
D. 10 hours
Show Answer
Answer: A. 12 hours
The spread-over, including rest intervals, is limited to 12 hours a day.
47. No adult employed below ground shall be allowed to work for more than ___ hours in any week or more than ___ hours in any day.
A. 36; 6
B. 48; 9
C. 48; 8
D. 50; 10
Show Answer
Answer: C. 48; 8
Section 31 sets the below-ground limits at 48 hours a week and 8 hours a day.
48. A person employed in an underground mine shall not work more than ___ hours in a day, including overtime.
A. 8
B. 9
C. 10
D. 12
Show Answer
Answer: C. 10
Section 35 limits work to ten hours in any day inclusive of overtime.
49. No person below ___ years of age shall be allowed to work in any mine or part of it.
A. 16
B. 18
C. 20
D. 23
Show Answer
Answer: B. 18
Section 40 prohibits employment of persons below 18 years of age in mines.
50. Every woman employed in a mine above ground must be given an interval of at least ___ hours between the end of employment on one day and the start of the next period of employment.
A. 8
B. 10
C. 11
D. 12
Show Answer
Answer: C. 11
Section 46(2) requires an interval of not less than eleven hours.
51. For a person whose service starts after the beginning of the year, an underground worker must put in attendance for not less than ___ of the total number of days in the remainder of the calendar year to earn leave.
A. 1/4
B. 1/3
C. 1/5
D. 1/2
Show Answer
Answer: D. 1/2
The proportion mirrors the annual attendance requirement (190 days for below-ground workers).
52. For a person whose service starts after the beginning of the year, an above-ground worker must put in attendance for not less than ___ of the total number of days in the remainder of the calendar year to earn leave.
A. 1/4
B. 1/3
C. 2/3
D. 1/2
Show Answer
Answer: C. 2/3
The proportion mirrors the annual attendance requirement (240 days for above-ground workers).
53. The number of times leave may be taken during any calendar year shall not exceed:
A. 3
B. 4
C. 5
D. 6
Show Answer
Answer: A. 3
Annual leave can be split into a limited number of instalments.
54. If an owner fails to submit a draft of bye-laws within ___ after being called upon by the Chief Inspector, the Chief Inspector may propose a draft of such bye-laws as appear to him appropriate.
A. 1 month
B. 2 months
C. 3 months
D. 4 months
Show Answer
Answer: C. 3 months
The owner gets a fixed period to submit the draft before the Chief Inspector steps in.
55. A person employed above ground shall not work continuously for more than ___ before he has had a rest interval of at least half an hour.
A. 3 hours
B. 4 hours
C. 5 hours
D. 6 hours
Show Answer
Answer: C. 5 hours
A rest break of at least 30 minutes is needed after five hours of continuous work above ground.
56. A competent person means one who has attained the age of:
A. 18 years
B. 16 years
C. 20 years
D. 23 years
Show Answer
Answer: A. 18 years
A competent person must at least be an adult.
57. If a mine has already been opened, plans must be submitted to the Regional Inspector within:
A. 30 days
B. 60 days
C. 90 days
D. 1 year
Show Answer
Answer: C. 90 days
Plans of an existing mine have to be furnished within a fixed period.
58. If the boundary of a mine is changed, a plan showing the new boundary must be submitted to the Regional Inspector within:
A. 7 days
B. 15 days
C. 30 days
D. 3 months
Show Answer
Answer: C. 30 days
The Regional Inspector must be given an updated plan soon after the boundary changes.
Returns, Notices and Board Examinations (Q59 to Q68)
59. The owner or manager shall submit correct returns for the preceding month to the Chief Inspector and the Regional Inspector on or before the ___ of every month.
A. 10th day
B. 4th day
C. 14th day
D. 24th day
Show Answer
Answer: C. 14th day
Under the Coal Mines Regulations, 1957, monthly returns (Form II) are due on or before the 14th of each month.
60. The owner or manager shall submit annual reports to the District Magistrate and the Chief Inspector on or before ___ of every year.
A. 20th May
B. 20th April
C. 20th March
D. 20th February
Show Answer
Answer: D. 20th February
Annual returns are due early in the year, after the calendar year ends.
61. If a mine is abandoned, or working is discontinued for more than 60 days, or ownership changes, the annual return must be submitted within ___ days of abandonment or change of ownership, or within ___ days of discontinuance.
A. 30; 90
B. 60; 90
C. 30; 60
D. 60; 120
Show Answer
Answer: C. 30; 60
The return is due within 30 days for abandonment or change of ownership and within 60 days for discontinuance.
62. When it is intended to abandon a mine or seam, or to discontinue working for more than 60 days, the owner or manager must give notice to the Chief Inspector and the Regional Inspector not less than ___ before such abandonment or discontinuance.
A. 15 days
B. 30 days
C. 40 days
D. 60 days
Show Answer
Answer: B. 30 days
A 30-day advance notice is needed before abandonment or discontinuance.
63. When a person's employment is terminated or he leaves the employment, the manager shall give notice within ___ of the day of termination.
A. 7 days
B. 15 days
C. 30 days
D. 40 days
Show Answer
Answer: A. 7 days
Records of persons employed must be kept up to date.
64. For every meeting of the Board (of Mining Education), not less than ___ prior notice of the place and time of the meeting must be given.
A. 7 days
B. 10 days
C. 15 days
D. 30 days
Show Answer
Answer: C. 15 days
Members must be given enough advance notice to attend.
65. No bye-law shall take effect until ___ after the date on which it was published.
A. 1 month
B. 2 months
C. 3 months
D. 4 months
Show Answer
Answer: C. 3 months
A waiting period gives people time to object or comply.
66. An application for an examination conducted by the Board must be made to the Board not less than ___ before the date fixed for the examination.
A. 30 days
B. 60 days
C. 15 days
D. 7 days
Show Answer
Answer: B. 60 days
Applicants must apply well ahead of the exam date.
67. No person shall be admitted as a candidate at an examination held by the Board unless he is at least ___ years of age.
A. 20
B. 18
C. 16
D. 23
Show Answer
Answer: B. 18
This is the minimum age for appearing in the Board's examinations.
68. What is the fee for the grant of a first class manager's certificate?
A. Rs. 100
B. Rs. 75
C. Rs. 50
D. Rs. 25
Show Answer
Answer: C. Rs. 50
The certificate fee is a nominal amount fixed in the rules.
Managers, Staffing and Statutory Appointments (Q69 to Q84)
69. What is the fee for a duplicate first class manager's certificate?
A. Rs. 100
B. Rs. 5
C. Rs. 50
D. Rs. 10
Show Answer
Answer: D. Rs. 10
A duplicate certificate carries a smaller fee than the original.
70. As per the Coal Mines Regulations, the retirement age of a person employed in a mine is:
A. 60 years
B. 62 years
C. 58 years
D. 55 years
Show Answer
Answer: A. 60 years
This is the retirement age generally followed in coal mines.
71. The 'financial year' of a mine means a period of 12 months running from:
A. 31 Dec to 31 Dec
B. 1st April to 31st March
C. 1st Jan to 31st Dec
D. None of these
Show Answer
Answer: B. 1st April to 31st March
The financial year runs from 1 April to 31 March.
72. No person shall act or be employed as a manager unless he is at least:
A. 18 years
B. 20 years
C. 23 years
D. 25 years
Show Answer
Answer: C. 23 years
A manager carries heavy statutory responsibility, so there is a higher minimum age.
73. No person shall act as manager of more than one mine except with the previous written permission of the Chief Inspector, and that permission shall not have effect for a period exceeding:
A. 6 months
B. 12 months
C. 18 months
D. 24 months
Show Answer
Answer: B. 12 months
Such permission is time-limited so that each mine gets proper management.
74. If a mine produces 3000 tonnes per month, the qualification required of the manager is:
A. A first class Mine Manager's certificate of competency
B. A first or second class Mine Manager's certificate of competency
C. A manager's permit
D. None of these
Show Answer
Answer: B. A first or second class Mine Manager's certificate of competency
Smaller mines may be managed by a second class certificate holder.
75. No manager shall vacate his office without giving due notice in writing to the owner or agent at least ___ before the day on which he wishes to vacate.
A. 7 days
B. 10 days
C. 15 days
D. 30 days
Show Answer
Answer: D. 30 days
The owner needs time to arrange a replacement.
76. On or before ___ every year, the owner, agent or manager shall exhibit on the notice board at the mine office information about leave with wages.
A. 20th Feb
B. 1st Jan
C. 1st May
D. 20th May
Show Answer
Answer: B. 1st Jan
The notice is displayed at the start of the calendar year.
77. The owner or manager shall provide suitable residential accommodation for the manager and under-manager within a distance of ___ km from all mine openings.
A. 4
B. 5
C. 6
D. 7
Show Answer
Answer: B. 5
Managers must live close enough to respond to emergencies.
78. In every mine where the average monthly output exceeds at least ___ tonnes, the manager shall be assisted by a safety officer.
A. 5000
B. 3000
C. 7000
D. 1000
Show Answer
Answer: A. 5000
Larger mines must have a dedicated safety officer.
79. In every mine where the average monthly output exceeds at least ___ tonnes, the manager shall be assisted by an under-manager.
A. 5000
B. 3000
C. 7000
D. 1000
Show Answer
Answer: C. 7000
Larger mines need additional supervisory staff.
80. If the monthly output of a mine is 18,000 tonnes, the number of assistant or under-managers required is:
A. 2
B. 3
C. 4
D. 1
Show Answer
Answer: A. 2
Staffing rises in steps as monthly output increases.
81. In every mine with gassy seams of the first degree, the manager shall be assisted by a ventilation officer if the average monthly output exceeds ___ tonnes.
A. 5000
B. 3000
C. 7000
D. 2500
Show Answer
Answer: A. 5000
Gassy mines need a dedicated ventilation officer.
82. Daily supervision shall be exercised by the manager. In a below-ground mine, he shall visit the underground workings on at least ___ in every week.
A. 4 days
B. 3 days
C. 5 days
D. 2 days
Show Answer
Answer: B. 3 days
The manager must personally inspect the underground workings on a regular basis.
83. Where either of the two ways providing means of egress from the district to the surface is not ordinarily used for travelling, the whole of that way must be examined by a sirdar at least once in every ___.
A. 7 days
B. 10 days
C. 15 days
D. 30 days
Show Answer
Answer: A. 7 days
An unused escape way can silently become blocked or unsafe, so it is checked weekly.
84. When a machine is required to work on a gradient steeper than ___, an effective contrivance to prevent the machine from running back shall be provided and used.
A. 1 in 3
B. 1 in 4
C. 1 in 5
D. 1 in 7
Show Answer
Answer: D. 1 in 7
A run-back arrangement prevents machines from sliding back down a steep roadway.
Quick Revision: Key Numbers from the Mines Act, 1952
- Prospecting exemption (Section 3): not more than 20 persons a day, depth up to 6 m (15 m in coal).
- Opencast exemption for listed minor minerals: depth up to 6 m, up to 50 persons, no explosives.
- Hours of work: 48 hours a week; 8 hours a day below ground; 10 hours a day including overtime.
- Women: not below ground, and above ground only between 6 AM and 7 PM, with an 11-hour gap between shifts.
- Minimum age for employment in a mine: 18 years.
- Fines: obstructing an Inspector ₹500, false records or returns ₹1000, false fitness certificate ₹200, no manager appointed ₹2500.
Keep Practising
Legislation questions are scoring only when you have revised the numbers a few times. Come back to this set after a week and see how many answers you remember. In the meantime, you can also work through our Mining Safety MCQs Part 01, Part 02, Part 03, Part 04 and Part 05, or browse more notes and practice sets on the Indian Minerology homepage.
If you spot a mistake or want us to cover another topic, leave a comment below. Share this post with your study group and good luck with your preparation!
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