Coal Mining Legislation

Coal Mining Legislation – 15

Report a question

You cannot submit an empty report. Please add some details.
0%

Coal Mining Legislation

Coal Mining Legislation - 14

1 / 40

1. When a new mechanical ventilator is installed, Standing Orders on evacuation of persons during stoppage of the fan are to be formed within ____ days of the installation,

2 / 40

2. For any underground mine, air samples and temperature readings shall be taken at least once in ------

3 / 40

3. While a booster fan is installed, a notice along with the survey results is to be sent to Regional inspector for permission. If a booster fan is shifted from one place to other place instead of new installation, the following shall be applicable.

4 / 40

4. In a mine of 2nd or 3rd degree the samples collected shall be analysed within ___ days

5 / 40

5. Main mechanical ventilator of a mine shall be installed on the surface at a distance of not less than ___ meters from the opening of the shaft or incline.

6 / 40

6. When any alteration is made in the system of ventilation determination of % of inflammable gases in the air shall be made within ____ hours of such alteration.

7 / 40

7. In every mine where a mechanical ventilator is in use, the quantity of air shall be measured once in ___ days.

8 / 40

8. The inspection to be done to assess the atmospheric condition behind the stopping’s built to sealed off the area of old workings or such goaf or a fire or spontaneous heating once in Thirty days need not be done under the condition

9 / 40

9. If a mine is stopped or discontinued for a period of ___ days or dewatered it should be inspected by competent person with suitable safety lamps and torches.

10 / 40

10. If the dust concentration measured in any place in the mine approaches seventy five percent of the allowable concentration the periodicity of the dust sampling should be.

11 / 40

11. To assess the atmospheric condition behind the stopping’s built to sealed off the area of old workings or such goaf or a fire or spontaneous heating, arrangements to ascertain the conditions behind the stopping are to be done once in.

12 / 40

12. The weighted average concentration of airborne respirable dust in milligrams per cubic meter of air sampled in the case of Manganese shall not exceed.

13 / 40

13. When a ventilation door or some other ventilation stopper is used, the space between the door and the walls + roof shall be filled with concrete wall not less than ---------------in thickness.

14 / 40

14. Underground re-lighting stations are to be located in

15 / 40

15. A place is considered to be having inflammable gas when the methane % is

16 / 40

16. When any booster fan is installed the notice along with the survey details done are to be sent to Regional inspector ___ days before such installation.

17 / 40

17. The gallery of working areas shall be white washed up to a distance of ___ meters from the gallery

18 / 40

18. A place is to be considered to be having inflammable gas when

19 / 40

19. Persons shall not be employed when the parting between the working and an overlying seam on fire where the thickness of hard rock parting is less than.

20 / 40

20. If the measured dust concentration of any place shows excess fifty percent concentration of the allowable concentration the periodicity of the dust sampling shall be once in.

21 / 40

21. In an underground dust sampling, distance at which the sampler shall be positioned on the return side of the point of dust generation is.

22 / 40

22. During air sampling if any determination shows the percentage of inflammable gas more than 0.8% further determinations shall be made once in ___ until the value comes down below 0.8%, along with steps being taken for reduction of the %.

23 / 40

23. In a second or third degree mine, where un-used workings that are not sealed off exist, the Regional inspector may require regular inspection once in __ days

24 / 40

24. During increased % of inflammable gases the sampling that is done once in 24 hours shows the % of gas less than 0.8% it is sufficient to carry out the sampling once in ____

25 / 40

25. Where the mine is indicative of dangerous levels of inflammables, the lights have to be illuminated from any external source. This lighting shall be limited up to a distance of

26 / 40

26. When there is fire in a higher seam or any place where there is spontaneous heating, the minimum distance of safety to be maintained by not employing persons is

27 / 40

27. The instrument that is used for collection of samples shall be calibrated on a date which is not earlier than ___ from the date of sampling

28 / 40

28. During sampling if the percentage of inflammable gas exceeds ___ % the frequency of determinations shall be made every 24 hours.

29 / 40

29. The weighted average concentration of airborne respirable dust in milligrams per cubic meter of air shall not exceed the value arrived by dividing ------ with the percentage of free respirable silica present.

30 / 40

30. The samples are to be taken essentially at the

31 / 40

31. The result of measurements of airborne dust and other relevant particulars shall be recorded within -------days of sampling

32 / 40

32. Inspection of all stoppings erected to isolate or control a fire or spontaneous heating belowground shall be done once in at least in every

33 / 40

33. Every safety lamp is to be thoroughly checked by a manager, assistant manager, underground manager or a competent person and the result be entered in the book once in ____.

34 / 40

34. The dust sampling frequency is once in every --------------months.

35 / 40

35. The travel of intake air shall be such,

36 / 40

36. When a working or gallery is to be extended it shall be ensured that air is directed to the face from a distance of not less than ___ meters from the face.

37 / 40

37. For every fiery seam or gassy seam of the second or third degree

38 / 40

38. When a narrow advance gallery is to be driven in continuation to already existing main gallery, it shall not extend beyond __ meters ahead of main gallery.

39 / 40

39. In a non-fiery seam or a first degree mine air measurements can be taken once in every -------

40 / 40

40. The details of inspection with signature for every stopping that is made by competent person shall be maintained on the board for a period of not less than ---

Your score is

The average score is 76%

0%

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button