1. Mine Safety Jeopardy U.S. Aggregates 2003 Annual Refresher Final Jeopardy Electrical Powered Haulage Various Strains & Sprains Ground Control Conveyors 10 20 30 40 50

2. 10 Point Answer These are the three main parts of electricity and Ohm's Law.

3. 10 Point Question What are volts, amps and ohms?

4. Explanation By knowing the value of two of these we can figure out the third by Ohm's Law. E = I X R

5. 20 Point Answer This must be connected to every extension cord and hand tool used outside.

6. 20 Point Question What is a GFCI?

7. Explanation A GFCI must be used outside to protect the worker. The GFCI opens the circuit in 1/40 th of a second if it sees a 5 mA difference in returning current.

8. 30 Point Answer This is what breakers and fuses are made to protect.

9. 30 Point Question What is Equipment and wiring?

10. Explanation Breakers & fuses do not protect people. The standard residential circuit breaker is 15 amps, and won’t trip until it sees about 300% in an overload condition. One amp will kill a human.

11. 40 Point Answer This is what you do if your loader bucket gets caught in overhead power lines and you can't get it down.

12. 40 Point Question What is stay in your cab?

13. Explanation Many people die by climbing out or jumping off. Stay in the cab, call for help and wait for the power lines to be turned off. The only time you should try jumping off is if a fire starts.

14. 50 Point Answer This is our most important protection against electricity.

15. 50 Point Question What is Grounding?

16. Explanation Grounding must be permanent and continuous. Never remove grounding pins on electrical cords.

17. 10 Point Answer This is ROPS means.

18. 10 Point Question What is Roll Over Protective Structure?

19. Explanation ROPS protect us in overturns. Damaged ROPS must be replaced, not reused. You cannot alter ROPS by welding, drilling or cutting without the manufacture's permission.

20. 20 Point Answer This is who must conduct a pre-shift inspection.

21. 20 Point Question Who is the vehicle operator?

22. Explanation The operator of the vehicle must do the pre-shift inspection before placing it in service. A mechanic or supervisor cannot do the pre- shift inspection for the operator.

23. 30 Point Answer This is what you place on a vehicle that has a dangerous defect.

24. 30 Point Question What is an out of order tag?

25. Explanation When a vehicle has a hazardous defect, it must be tagged out with the person's name, date and reason for being tagged.

26. 40 Point Answer This is what you must see before you load any customer trucks.

27. 40 Point Question What is the truck driver in the cab of the truck?

28. Explanation Load trucks on the driver's side and only if he is in his cab. If more than one truck is waiting and one of the drivers is out of his cab, do not load any of the trucks.

29. 50 Point Answer This is the minimum height for a berm.

30. 50 Point Question What is mid-axle of the largest vehicle that travels that road?

31. Explanation Although this is the minimum, MSHA recommends that berms be 3X-axle height for trucks less than 85-ton, and 4X-axle height for trucks over 85-ton.

32. 10 Point Answer This is what is injured if you suffer a strain.

33. 10 Point Question What is a muscle?

34. Explanation Also known as a pulled muscle.

35. 20 Point Answer This is what is injured when you suffer a sprain.

36. 20 Point Question What are joints and ligaments?

37. Explanation A sprain is an injury to a joint in which the ligaments are damaged by stretching or twisting.

38. 30 Point Answer This is the best way to prevent strains and sprains.

39. 30 Point Question What is stretching and warming up?

40. Explanation Just as in athletics, we should stretch to warm up before working. Think of yourself as an Industrial Athlete and prepare your body before lifting.

41. 40 Point Answer Heat is the best treatment after injuring your back. True or False

42. 40 Point Question What is False?

43. Explanation Ice is the best treatment. By icing your back for the first 48 hours, you reduce your recover time by 50%.

44. 50 Point Answer This is the proper way to lift an object off the floor.

45. 50 Point Question What is lifting with your legs?

46. Explanation Balanced stance with feet wide apart, squat down and get as close to the object as you can, get a secure grip, gradually lift while keeping load close to you and you neck and back straight.

47. 10 Point Answer This is the term used to describe the removal of loose material from highwalls.

48. 10 Point Question What is Scaling?

49. Explanation Scaling must be performed from a location that will not expose a person to falling objects.

50. 20 Point Answer This is when ground conditions must be inspected.

51. 20 Point Question What are prior to work in the area, after blasting, and when conditions change during the workday.

52. Explanation Includes pits, dumpsites, benches above highwalls or any other work areas, because ground conditions change consistently in these areas.

53. 30 Point Answer This is where berms must be in place.

54. 30 Point Question What is any drop-off where a vehicle can overturn.

55. Explanation The amount of drop-off depends on the size of the vehicle that travels by.

56. 40 Point Answer This is what cannot be between mobile equipment and a highwall or pit.

57. 40 Point Question What is any person?

58. Explanation Machinery hinders & blocks escape from falls and slides of the highwall or bank. Nobody is allowed to work or travel between equipment and highwalls & banks.

59. 50 Point Answer If unsafe ground conditions are found, this is what you must use to keep people out of the area.

60. 50 Point Question What are warning signs & barriers?

61. Explanation Until conditions are fixed, warning signs must be posted & barriers put up to prevent workers from entering the area.

62. 10 Point Answer This is what needs to be used before starting a conveyor.

63. 10 Point Question What is a startup warning (horn)?

64. Explanation When entire length of conveyors cannot be seen from starting switches, a startup horn must be used to warn workers.

65. 20 Point Answer These must be place between a walkway and a conveyor.

66. 20 Point Question What are stop cables, handrails or cables.

67. Explanation Conveyors that have walkways along the side have to be protected.

68. 30 Point Answer These must be installed on inclined conveyors.

69. 30 Point Question What are backstops or brakes?

70. Explanation Backstops or brakes shall be installed on drive units of inclined conveyors to prevent the conveyors from running in reverse, creating a hazard to workers.

71. 40 Point Answer Pinch points do not have to be guarded in this instance.

72. 40 Point Question What is if a walkway is over 7 feet from a walkway?

73. Explanation If a pinch point is over 7 feet from a walkway it is considered “guarded by location.”

74. 50 Point Answer Once the warning signal has been sounded, the conveyor must be started in this many seconds or the signal must be repeated.

75. 50 Point Question What is 30 seconds?

76. Explanation Within 30 seconds after the warning is given, the conveyor shall be started or a second warning shall be given.

77. 10 Point Answer This must be done before moving any mobile equipment.

78. 10 Point Question What is the operator must sound his horn to warn everyone.

79. Explanation Warnings that are audible above the surrounding noise levels must be sounded before stopped equipment moves.

80. 20 Point Answer Gages & regulators of oxygen or acetylene cylinders shall be kept clean of this.

81. 20 Point Question What is oil & grease?

82. Explanation Since oxygen accelerates combustion & acetylene is flammable, a major fire hazard can occur.

83. 30 Point Answer This is what "S & S" stands for on MSHA citations.

84. 30 Point Question What is Significant and Substantial?

85. Explanation Minor citations are called "non S & S".

86. 40 Point Answer These are the two types of inspections that must be done everyday.

87. 40 Point Question What are pre-shift inspections and workplace examinations?

88. Explanation Vehicles must be inspected before operating, and each work area must be inspected during each shift.

89. 50 Point Answer Air Compressors must be inspected and certified every ___ years.

90. 50 Point Question What is 3 years?

91. Explanation A certified boiler & compressor inspector must do these inspections. The certificate must be located at the air compressor.

92. Final Jeopardy Write down your bet

93. Final Jeopardy Answer: The distance between a stationary grinder's tool rest and wheel cannot be farther than this.

94. Final Jeopardy Question: What 1/8 th inch?