If you have already worked through the first set of mine legislation questions, this is the natural next step. Here the focus shifts from the Mines Act basics to the people and committees that make safety work on the ground: workmen's inspectors, safety committees, medical examinations and first aid. There is also a short section on ergonomics, fatigue and heat stress, which regularly appears in mining engineering papers.
This post has 51 MCQs (Q85 to Q135) with answers and short explanations. Attempt each question first, then tap Show Answer. The earlier questions (Q1 to Q84) are available under the Mining MCQs label.
Contents
- Wages, Hours of Work and Mines Act Sections (Q85 to Q93)
- Fatigue, Ergonomics and Heat Stress (Q94 to Q108)
- Medical Examination, Committee and Returns (Q109 to Q116)
- Workmen's Inspector (Q117 to Q130)
- Safety Committee and First Aid (Q131 to Q135)
Wages, Hours of Work and Mines Act Sections (Q85 to Q93)
85. Which of the following earnings is not included in the 'ordinary rate of wages' of mine employees?
A. Basic wages
B. Dearness allowance
C. Bonus excluding incentive for production
D. Compensation in cash
Show Answer
Answer: C. Bonus excluding incentive for production
Basic wages, dearness allowance and cash compensation count towards the ordinary rate of wages. Bonus is left out, as per the source key.
86. Which section of the Mines Act and which rule of the Mines Rules lay down the provision on disability allowance?
A. 9 and 23
B. 9A and 82A
C. 22 and 24
D. 43 and 44
Show Answer
Answer: B. 9A and 82A
The Act provides for it in Section 9A and the Rules in Rule 82A.
87. Which section of the Mines Act and which rule of the Mines Rules restrict the employment of persons to not more than 6 days in a week?
A. 28 of Act and 47 of Rules
B. 32 of Act and 51 of Rules
C. 34 of Act and 63 of Rules
D. 43 of Act and 79 of Rules
Show Answer
Answer: A. 28 of Act and 47 of Rules
Section 28 of the Act and Rule 47 are about the weekly day of rest, which is why the work week is limited to 6 days.
88. As per the Mines Act, 1952, the periods of work of an adult employee above ground, along with his rest intervals, shall not spread over more than 'A' hours, and he shall not work more than 'B' hours continuously before getting a rest interval of at least half an hour. A and B are:
A. 9 and 1
B. 8 and 2
C. 12 and 5
D. 14 and 6
Show Answer
Answer: C. 12 and 5
The spread-over is limited to 12 hours, and no one works more than 5 hours at a stretch without a break.
89. Which section of the Mines Act gives exemption from the section regarding hours of employment above and below ground?
A. Section 37
B. Section 38
C. Section 42
D. Section 48
Show Answer
Answer: B. Section 38
As per the source key, Section 38 is the exemption provision for the hours-of-work sections.
90. Which section of the Mines Act, 1952 prohibits the employment of women in underground mines?
A. Section 45
B. Section 46
C. Section 47
D. Section 48
Show Answer
Answer: B. Section 46
Section 46 bars women from working below ground and sets the hours for above-ground work.
91. Which section of the Mines Act gives power to the Central Government to exempt any local area of a mine, either absolutely or subject to conditions, from any provision of the Act, Rules or Regulations?
A. Section 83
B. Section 85
C. Section 87
D. Section 88
Show Answer
Answer: A. Section 83
Section 83 gives the Central Government this power of exemption.
92. As per the Third Schedule of the Mines Rules, first aid boxes in mines shall be provided at the rate of one for every 'A' persons employed. A is:
A. 100
B. 125
C. 150
D. 200
Show Answer
Answer: C. 150
One first aid box is required for every 150 persons employed.
93. As per the Coal Mines Regulations, a 'competent person' in relation to any work means a person who has attained the age of:
A. 18 years
B. 20 years
C. 21 years
D. 25 years
Show Answer
Answer: B. 20 years
A competent person must have attained at least 20 years of age.
Fatigue, Ergonomics and Heat Stress (Q94 to Q108)
94. Fatigue is indicated by:
A. Lower initial recovery of pulse rate
B. Higher initial recovery of pulse rate
C. Fast return of the heart towards its resting level
D. Second and subsequent recovery pulse rate remaining at normal level
Show Answer
Answer: B. Higher initial recovery of pulse rate
A higher initial recovery pulse rate after work is taken as a sign of fatigue.
95. The energy reserve of an average man (25 years, 65 kg, 1.75 m height) is about:
A. 5 Kcal
B. 10 Kcal
C. 20 Kcal
D. 25 Kcal
Show Answer
Answer: D. 25 Kcal
The body's energy reserve for muscular work is taken as about 25 Kcal.
96. If a work requires 6 Kcal of energy, then according to Spitzer, what should be the percentage rest allowance in 1 hour?
A. 25%
B. 50%
C. 75%
D. 100%
Show Answer
Answer: B. 50%
At this energy level the rest allowance works out to 50 percent of the hour.
97. The step test protocol is adopted for measuring physical fitness through:
A. O2 consumption (litres/min)
B. VO2 max
C. Heart rate
D. CO2 in exhaled air
Show Answer
Answer: B. VO2 max
The step test is a practical way of estimating VO2 max, the maximum oxygen uptake.
98. 'Fitting the task to the human' is described by:
A. Ergonomics
B. Statistics
C. Psychology
D. Information technology
Show Answer
Answer: A. Ergonomics
This is the basic idea of ergonomics: the job is designed around the person, not the other way round.
99. Which of the following is inversely proportional to environmental temperature?
A. Barometric pressure
B. Miners' health
C. Design of appliances
D. Workload
Show Answer
Answer: D. Workload
As temperature rises, the workload a person can safely handle goes down.
100. The main focus of ergonomics is:
A. Work
B. Man
C. Posture
D. Information
Show Answer
Answer: B. Man
Ergonomics puts the human being at the centre of work design.
101. Workers can carry out a prolonged task without experiencing fatigue provided the energy demand of the task does not exceed:
A. 50 W
B. 150 W
C. 250 W
D. 500 W
Show Answer
Answer: C. 250 W
Prolonged work is sustainable only up to a limit of energy demand, and the source key gives 250 W.
102. Which energy level is required when the body is at rest?
A. 10 W
B. 20 W
C. 40 W
D. 80 W
Show Answer
Answer: D. 80 W
Even at rest the body needs energy, and the source key gives 80 W.
103. An ergonomic workplace design must satisfy one of the following criteria:
A. Less stress on employees' health
B. To enhance workers' efficiency
C. To improve job quality
D. To maximise production at high risk
Show Answer
Answer: B. To enhance workers' efficiency
As per the source key, the design objective is to enhance the worker's efficiency.
104. The risk of heat stroke or heat collapse increases rapidly as the deep body temperature rises above:
A. 300°C
B. 35°C
C. 37°C
D. 39°C
Show Answer
Answer: D. 39°C
Risk climbs quickly once deep body temperature goes past 39°C.
105. The amount of tolerable heat stress is determined by which of the following?
A. Protein
B. Carbohydrate
C. BSA (body surface area)
D. Humidity
Show Answer
Answer: C. BSA (body surface area)
Body surface area decides how much heat a person can lose, and so how much heat stress is tolerable.
106. Workers are not permitted to continue work when their deep body temperature exceeds:
A. 35°C
B. 38°C
C. 42°C
D. 48°C
Show Answer
Answer: B. 38°C
Work must stop once deep body temperature goes above 38°C.
107. The limit of continuous work (LCW) is denoted by:
A. Resting HR + 35 beats
B. Resting HR + 72 beats
C. Resting HR + 100 beats
D. Recovery HR + 120 beats
Show Answer
Answer: A. Resting HR + 35 beats
The limit is reached when heart rate rises 35 beats above the resting heart rate.
108. Total calories consumed by an individual are determined by:
A. Fair-day workload
B. Maximum aerobic capacity
C. Basal + leisure + working calories
D. Calories required to keep the individual alive
Show Answer
Answer: C. Basal + leisure + working calories
Daily energy use is the sum of basal, leisure and working calories.
Medical Examination, Committee and Returns (Q109 to Q116)
109. Periodical medical examination is carried out for every:
A. 3 years
B. 5 years
C. 6 years
D. 4 years
Show Answer
Answer: B. 5 years
Each employed person is examined once in five years.
110. Every year, ___ of the persons employed at the mine undergo the medical examination.
A. 1/2
B. 1/3
C. 1/4
D. 1/5
Show Answer
Answer: D. 1/5
With a five-year cycle, one-fifth of the workforce is examined each year.
111. The remuneration for the members of the committee shall be fixed by:
A. Central Government
B. State Government
C. The mining company
D. None of these
Show Answer
Answer: A. Central Government
The Central Government fixes the remuneration of committee members.
112. If a member of the committee intends to be absent from India for a period longer than ___, he shall tender his resignation.
A. 3 months
B. 1 year
C. 9 months
D. 6 months
Show Answer
Answer: D. 6 months
Absence from India for more than six months requires the member to resign.
113. The secretary to the committee shall give at least ___ notice to every member of the committee present in India.
A. 7 days
B. 14 days
C. 30 days
D. 45 days
Show Answer
Answer: B. 14 days
Fourteen days' notice is given before a meeting.
114. No business shall be transacted at a meeting of the committee unless at least ___ members, including the chairman, are present.
A. 4
B. 6
C. 8
D. 3
Show Answer
Answer: A. 4
The quorum is four members including the chairman.
115. The periodical medical examination does not apply to:
A. Permanently employed persons
B. Temporarily employed persons
C. Casual workers employed continuously for a period not exceeding 6 months
D. Both (b) and (c)
Show Answer
Answer: D. Both (b) and (c)
Persons employed on a temporary or short casual basis are outside the periodical examination.
116. The annual return shall be submitted to the Chief Inspector by the manager on or before ___ of every year.
A. 20th Feb
B. 1st Jan
C. 1st May
D. 20th May
Show Answer
Answer: A. 20th Feb
The annual return is due on or before 20th February.
Workmen's Inspector (Q117 to Q130)
117. A workmen's inspector comes to office by:
A. Election
B. Deputation
C. Selection
D. Nomination
Show Answer
Answer: D. Nomination
Workmen's inspectors are nominated, not elected.
118. What is the minimum number of persons employed beyond which the owner, agent or manager must designate suitably qualified employees as workmen's inspectors of the mine?
A. 300
B. 500
C. 700
D. 1000
Show Answer
Answer: B. 500
As per the source key, the figure is 500 persons.
119. From which of these departments is a workmen's inspector NOT considered?
A. Mining
B. Civil
C. Electrical
D. Mechanical
Show Answer
Answer: B. Civil
Workmen's inspectors are drawn from mining, electrical and mechanical employees, not from the civil department.
120. What is the minimum number of persons employed in a mine beyond which the mining workmen's inspector is assisted by one additional inspector?
A. 500
B. 1000
C. 1500
D. 2000
Show Answer
Answer: C. 1500
Once employment crosses 1500, an additional workmen's inspector is needed.
121. A workmen's inspector shall hold office for a period of 'A' years from the date of his nomination. A is:
A. 1 year
B. 2 years
C. 3 years
D. 4 years
Show Answer
Answer: C. 3 years
The term of a workmen's inspector is three years.
122. What is the minimum experience required for nominating a person as workmen's inspector?
A. 3 years
B. 5 years
C. 7 years
D. 12 years
Show Answer
Answer: B. 5 years
A candidate needs at least five years of experience.
123. For how many days in a week is the workmen's inspector supposed to perform the duties mentioned in Rule 29R?
A. 1 day
B. 2 days
C. 3 days
D. 4 days
Show Answer
Answer: B. 2 days
He performs these duties on at least two days in a week.
124. In which form shall the workmen's inspector record his report of inspection?
A. Form P
B. Form Q
C. Form M
D. Form U
Show Answer
Answer: D. Form U
The report of inspection is entered in Form U.
125. In case of any difference of opinion between the workmen's inspector and the owner, agent or manager, the matter should be sent to:
A. Director (Technical / Operation)
B. CMD of the subsidiary
C. Chief Inspector
D. Chairman of the company
Show Answer
Answer: C. Chief Inspector
Unresolved differences go to the Chief Inspector for a decision.
126. The number of workmen's inspectors in a large underground coal mine is:
A. 1
B. 2
C. 3
D. 4
Show Answer
Answer: C. 3
A large underground coal mine has three workmen's inspectors.
127. A workmen's inspector shall be employed if the number of persons employed exceeds:
A. 500
B. 1500
C. 1000
D. 100
Show Answer
Answer: A. 500
As per the source key, the threshold is 500 persons.
128. If the number of persons in a mine is 3000, then the number of workmen's inspectors required is:
A. 1
B. 2
C. 3
D. 4
Show Answer
Answer: C. 3
A mine of this size needs three workmen's inspectors.
129. The term of a workmen's inspector is:
A. 5 years
B. 3 years
C. 2 years
D. 6 years
Show Answer
Answer: B. 3 years
The term is three years.
130. The owner, agent or manager shall take action on the report of the workmen's inspector within ___ from the date of entry into the register.
A. 7 days
B. 30 days
C. 15 days
D. 10 days
Show Answer
Answer: C. 15 days
Action must follow within 15 days of the entry.
Safety Committee and First Aid (Q131 to Q135)
131. The owner, agent or manager shall constitute a 'safety committee' to promote safety in every mine where more than ___ persons are ordinarily employed.
A. 500
B. 1000
C. 50
D. 100
Show Answer
Answer: D. 100
A safety committee is required in every mine employing more than 100 persons.
132. The number of members nominated to the safety committee is:
A. 5
B. 10
C. 13
D. 15
Show Answer
Answer: C. 13
The safety committee has 13 members.
133. The safety committee shall meet at least once in:
A. 15 days
B. 7 days
C. 6 months
D. 30 days
Show Answer
Answer: D. 30 days
The committee meets at least once a month.
134. The owner, agent or manager shall, within ___ from the date of receipt of the safety committee's recommendations, tell the secretary what action has been taken.
A. 7 days
B. 30 days
C. 15 days
D. 10 days
Show Answer
Answer: C. 15 days
The reply on action taken is due within 15 days.
135. At every mine employing more than ___ persons on any day of the preceding calendar year, a suitable first aid room shall be provided.
A. 50
B. 100
C. 150
D. 250
Show Answer
Answer: C. 150
A first aid room is required once employment goes beyond 150 persons.
Quick Revision Points
- Workmen's inspectors are nominated, hold office for 3 years, need at least 5 years of experience and perform their duties on at least 2 days a week.
- The workmen's inspector records his report in Form U, and the management must act on it within 15 days.
- A safety committee has 13 members, meets at least once a month and the management reports action taken within 15 days.
- Periodical medical examination is once in 5 years, so one-fifth of the workforce is examined every year.
- One first aid box is required for every 150 persons, and a first aid room for mines employing more than 150 persons.
- Deep body temperature above 38°C means work must stop, and the risk of heat stroke rises rapidly above 39°C.
Keep Practising
These legislation numbers stick best through repetition, so come back to this set after a few days. You can also test your safety knowledge with our Mining Safety MCQ Series (Part 02, Part 03, Part 04 and Part 05), or explore more notes on the Indian Minerology homepage.
Spotted a mistake or want the next set? Leave a comment below and share this post with your study group.
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