Home/Coal Mining Legislation/Coal Mining Legislation – 9 Coal Mining Legislation Coal Mining Legislation – 9 Admin07/08/20240 5 Less than a minute Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% Coal Mining Legislation Coal Mining Legislation - 9 1 / 40 1. When the winder has an electric winding system of 75HP or ore, or a steam or compressed air winding engine with cylinders of diameter of 30cm or more the engine drivers should have 1st class engine drivers certificate 2nd class engine drivers certificate Mates certificate No certificate needed Coal Mining Legislation 2 / 40 2. When any new winding installation is intended for installation for lowering and raising persons, a notice shall be given to Regional Inspector before. 30 days 45 days 65 days 60 days Coal Mining Legislation 3 / 40 3. All important surface features within ___ meters of the mine in horizontal plane shall be depicted on the plan 500 meters 100 meters 200 meters 600 meters Coal Mining Legislation 4 / 40 4. The efficiency of the main mechanical ventilator shall be inspected once at least ___and the fan blades and the fan drift be cleaned if necessary Three months Six months Four months Five months Coal Mining Legislation 5 / 40 5. Unless otherwise permitted in writing by the Chief Inspector every winding engine shall be situated in relation to the headgear where in the extreme position, subtends in either direction an angle or not more than. two and a half degrees one and a half degrees half a degrees None of the above Coal Mining Legislation 6 / 40 6. If the lining is made with iron or steel rings with substantial lagging the distance from bottom to the bottom of lining can be increased and shall not be more than -------- 12 meters 25 meters 30 meters 20 meters Coal Mining Legislation 7 / 40 7. Where the conditions under which the winding engineman is working are unduly arduous, the regional inspector can reduce the working hours of persons working under those conditions to Two hours Three hours Five hours Four hours Coal Mining Legislation 8 / 40 8. A safety lamp shall not be placed within ----meters of the swing of any tool except in the case of a lamp which is actually worn, attached to a body of such person. 0.6 0.3 0.5 0.4 Coal Mining Legislation 9 / 40 9. When the owner of a mine is a firm or other association of individuals form I has to be submitted in case of change of Only when a partner in the case of a firm or any member in the case of an association; Only if it is director in the case of a public company; Only if it is any shareholder in the case of a private company; All of the above Coal Mining Legislation 10 / 40 10. The owner or agent shall arrange to supply the materials and appliances for safe operation, within ------------- days and intimate the manager in writing. Four days, Five days, Six days, Three days, Coal Mining Legislation 11 / 40 11. When the cage is ascending the depth indicator bell should be arranged to ring when the cage approaches with in Distance of not less than two revolutions of the drum from the top of the shaft. Distance of not less than one revolution of the drum from the top of the shaft Distance of not less than four revolutions of the drum from the top of the shaft Distance of not less than ten revolutions of the drum from the top of the shaft Coal Mining Legislation 12 / 40 12. When a mine has approached within ___ meters the surveyor shall record the full facts 50 meters 75 meters 55 meters 65 meters Coal Mining Legislation 13 / 40 13. VO shall maintain separate tracing of the following plans and bring them up-to-date. Ventilation and rescue plans Stone dusting plan Dust sampling plans All of the above Coal Mining Legislation 14 / 40 14. If any special duties are assigned to safety officer other than his regular duties, a written notice shall be sent to the Regional Inspector within __ days of such assignment. Four days, Five days, Six days, Three days, Coal Mining Legislation 15 / 40 15. The diameter of the drums or sheaves of the winding engines installed after 25th day of October 1955 shall not be less than. 90 times the diameter of the rope 80 times the diameter of the rope 75 times the diameter of the rope 100 times the diameter of the rope Coal Mining Legislation 16 / 40 16. During an emergency where engine driver is not available the operation of winding can be made by Any other competent person Only another winding engine driver, Any person under supervision of mines manager. None of the above Coal Mining Legislation 17 / 40 17. If a winding system is stopped for __ hours for repairs, a complete trial trip is to be make up and down the shaft or incline before attaching any load. two hours three hours five hours six hours Coal Mining Legislation 18 / 40 18. The fan speed and pressure developed by water gauge is to be recorded at intervals of Half an hour Two hours Three hours One hour Coal Mining Legislation 19 / 40 19. When showing the position of every roll, washout, dyke and every fault the following features are to be shown. The width of the dyke The amount and direction of its throw The type dyke material None of the above Coal Mining Legislation 20 / 40 20. The winding engine speed is approved by ----- The regional inspector. The chief inspector. Both of the above. None of the above. Coal Mining Legislation 21 / 40 21. Which of the following is true? A plan shall show the name of the mine and of the owner, and the purpose A plan shall show the true north, or the magnetic meridian and the date of the latter A plan shall show a scale of the plan at least 25cm long and suitably subdivided All the above Coal Mining Legislation 22 / 40 22. In the ‘Koepe’ system of winding, there shall be at least two turns of the rope on the drum when the cage or other means of conveyance is at its Highest working point in the shaft. Lowest working point in the shaft. Both of the above None of the above Coal Mining Legislation 23 / 40 23. When arriving at the average output of a mine having depillaring and/or opencast operations also, the output % to be considered is Entire production from these. Half of this production 25% of this production 75% of this production Coal Mining Legislation 24 / 40 24. When the manual tramming is done the spot levels marked shall be spaced at distance of not more than 100 meters 250 meters 50 meters 150 meters Coal Mining Legislation 25 / 40 25. Any unusual change in the water gauge shall be investigated by VO and be reported to The manager The safety officer Both of the above None of the above Coal Mining Legislation 26 / 40 26. While preparing the plans, the conventions shown in the Second Schedule shall be accurate and maintained corrected upto a date which is not earlier than__ months three months six months two months three months Coal Mining Legislation 27 / 40 27. In the case of winding systems where the brakes are power-operated, at least one of them shall be arranged to be applied automatically when When the rope cuts When the cage over winds If the power supply fails. Not needed to operate automatically Coal Mining Legislation 28 / 40 28. The ventilator running speed is fixed by Safety officer Under manager Manager None of the above Coal Mining Legislation 29 / 40 29. When an electrical winding engine has less than 30HP capacity, or a steam or compressed air engine has cylinders of less than 18 cm diameters, and the mechanism is not used for lowering persons, the certificate needed for engine driver is. 1st class engine drivers certificate 2nd class engine drivers certificate No certificate needed, 3rd class engine drivers certificate Coal Mining Legislation 30 / 40 30. ventilation officer shall see that no timber support is withdrawn except by means of a---------------------------------------------- Safety prop-withdrawer Sylvester prop-withdrawer Both of the above None of the above Coal Mining Legislation 31 / 40 31. Which of the following is true? A plan should be updated once in 15 days A plan should be countersigned by the Deputy Director of Mines safety A plan can show magnetic north and the meridian including the date of record. None of the above Coal Mining Legislation 32 / 40 32. When one of the two road ways used as a means of egress from the district to the surface is not used for travelling regularly, ventilation officer shall travel that road way once in at least ----------- days. Every twelve days. Every seven days. Every eight days. Every six days. Coal Mining Legislation 33 / 40 33. When the plan is prepared the statutory restrictions in respect of any specified workings shall be shown in the following manner. Attach a paper with the copy of the statutory restrictions, Make a separate plan for the area with statutory restrictions Depict on the same plan on which the subject area is also shown None of the above. Coal Mining Legislation 34 / 40 34. In the case of a winding engine worked by steam or compressed air, which of the following is true A screw stop valve can be used to control the engine during emergency, A screw stop-valve shall not be used as controlling valve of the engine. A screw stop-valve should only be used for controlling the engine, None of the above Coal Mining Legislation 35 / 40 35. When the mine has average inclination of more than 30° Regional inspector may require Separate plans and sections for the workings of every seam or of every separate section of every seam Separate plans and sections for the workings of every seam if it is 2nd or 3rd degree seam, Shall show separate slice plans at that particular depth All the above Coal Mining Legislation 36 / 40 36. The diameter of the drums or sheaves of the winding engine, installed before 25-10-55, shall not be less than. 90 times the diameter of the rope 75 times the diameter of the rope 60 times the diameter of the rope 80 times the diameter of the rope Coal Mining Legislation 37 / 40 37. When a shaft is sunk it shall be provided with a permanent lining of metal, concrete or masonry, which shall at no time, be more than ----- meters from the bottom of the shaft. Seven meters Eight meters Five meters Six meters Coal Mining Legislation 38 / 40 38. Which of the following is true? A plan should show true North A plan should show magnetic North only Can show the local orientation with respect to bench mark None of the above Coal Mining Legislation 39 / 40 39. Every plan shall be prepared on a scale of 1:20000’ 1:2000’ 1:200’ 1:500’ Coal Mining Legislation 40 / 40 40. VO shall check the speed of the main mechanical ventilator, amperage drawn by its electric motor, and fan drift water gauge at least ------------------------in a day. Twice Once Thrice None of the above Coal Mining Legislation Your score is The average score is 0% LinkedIn Facebook Twitter 0% Admin07/08/20240 5 Less than a minute
