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Knowledge Review

Take the mandatory quiz to test your knowledge on mining health and safety standards. Ensure compliance with MSHA regulations to prevent accidents and injuries in the mining industry.

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Knowledge Review

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  1. Knowledge Review Mandatory Health and Safety Standards Quiz

  2. MANDATORY Health & Safety Standards QUIZ • PLEASE MARK YOUR ANSWER SHEET WITH THE APPROPRIATE ANSWER FOR EACH QUESTION!

  3. 1. The most common cause of injury in mining is: • . Electricity • . Slips and Falls • . Handling Materials • . Hand Tools

  4. 2. What is the most common cause of FATAL Injury in mining today? • . Blasting • . Ground Falls • . Electricity • . Powered Haulage

  5. 3. The body part most often injured in mining is: • . The arm • . The back • . The head • . The leg

  6. 4. Fire extinguishers at surface mines must be inspected: • . Monthly • . Every 6 Months • . Quarterly • . Both A & B 56.4201 (1) 77.1110

  7. 5. High voltage rubber gloves used in coal mines must be tested: • . Annually • . Before use • . Monthly • . Quarterly 77.704-8

  8. 6. High voltage rubber gloves are tested to withstand volts. • . 2,000 • . 20,000 • . 5,000 • . 10,000 77.704-5 & .606-1 (a)

  9. 7. Booms or masts of equipment must not be closer than from overhead powerlines of 69,000 volts. • . 12 feet • . 15 feet • . 10 feet • . 20 feet 77.807-2 (a) (1)

  10. 8. For power lines of 500,000 volts or more distance is required from booms or masts of equipment. • . 50 Feet • . 25 Feet • . 75 Feet • . 35 Feet 77.807-2

  11. 9. Equipment must be kept a minimum of from any energized overhead power line. • . 12 Feet • . 6 Feet • . 10 Feet • . 8 Feet 77.807-2

  12. 10. A new coal mine supervisor must receive first aid training within days of starting that job. • . 180 • . 60 • . 30 • . 90 77.1703

  13. 11. The above training must be at least hours in length. • . 10 • . 8 • . 4 • . 12 77.1706 (a)

  14. 12. MSHA requires hard hats and safety glasses: • . Portal to Portal • . Operating mobile equipment • . In control rooms • . None are correct 56.15002 77.1710 (d)

  15. 13. MSHA requires hours of new miner training for construction workers: • . 0 • . 24 • . 16 • . 8 48.2 (I)

  16. 14. Most explosive accidents/ injuries are the result of: • . Premature Detonation • . Handling Explosives Improperly • . Flyrock • . Insufficient Warning

  17. 15. A blasting agent: • . Contains no explosive ingredient • . Is not classed as an explosive by the D.O.T. • . Both A & B are correct • . None are correct 77.2 (e)

  18. 16. Pneumoultramicroscopic- silicovolcanoniosis is: • . Not even a word • . Black lung disease • . Miners’ silicosis • . Small volcanic particles

  19. 17. Which of the following could be the DIRECT cause of an accident? • . Unsafe Act • . Management Decisions • . Unplanned Energy Release • . Unsafe Condition

  20. 18. Which of the following could be the INDIRECT cause of an accident? • . Management Decisions • . Unguarded Machine Drive • . Alcoholism • . Lack of Job Safety Training

  21. 19. Which of the following could be the BASIC cause of an accident? • . Not wearing safety glasses • . Driving too fast • . Lack of job safety training • . Both A & B

  22. 20. Unsafe acts and conditions are considered to be: • . The Basic Cause of all accidents • . The easiest to eliminate in the workplace • . Symptoms of failure on another level • . The Direct Cause of all accidents

  23. 21. Which of the following would NOT be considered a Basic Cause of an accident? • . Depression • . Individual size and Strength • . Horseplay • . Not conducting safety meetings

  24. 22. It is generally accepted that % of accidents are preventable. • . 88% • . 100% • . 98% • . 78%

  25. 23. Breathing air that contains 13% to 17% Oxygen could cause; • . Unconsciousness • . Buzzing in the ears • . Rapid heartbeat • . Either B or C

  26. 24. Methane gas is; • . Explosive when air contains 5% to 15% methane • . Most explosive when air contains 9.5% methane • . Explosive at 1.5% to 2% of the air mix if coal dust is present • . All are correct

  27. 25. If a miner, miner representative, or applicant for employment at a mine think they have been discriminated against per the “Act” of 1977, the have days to file a complaint with the U.S. Secretary of Labor. • . 60 • . 30 • . 90 • . 120

  28. 26. The Secretary of Labor will write to you within days of receiving your complaint to give you his/her determination as to whether or not your rights were violated. • . 60 • . 90 • . 30 • . 120

  29. 27. If the Secretary feels no violation has occurred, you have days to file and action of your own directly with the Federal Mine Safety and Health Review Commission. • . 60 • . 30 • . 90 • . 120

  30. 28. Rubber gloves for handling medium voltage cables must be rated at volts • . 660 • . 1,000 • . 7,200 • . 220 77.606-1 (b)

  31. 29. Every surface mine must file a plan for removing coal and have the plan approved by MSHA, this is called a: • . Mining Plan • . Health and Safety Plan • . Operational Plan • . Ground Control Plan

  32. 30. According to MSHA, blasting must be under the supervision of; • . An experienced blaster • . A certified blaster • . A State licensed blaster • . A certified foreman 56.6300 (a) 77.1303 (a)

  33. 31. Cases of explosives stored in magazines shall not be stacked more than feet high. • . Four • . Six • . Eight • . Both B & C are correct 77.1301 (g) 56.6102 (3)

  34. 32. When electric blasting caps have been used, persons shall not return to misfired holes for at least; • . Fifteen minutes • . Thirty minutes • . One hour • . One day 56.6310 (b) 77.1303 (nn)

  35. 33. The width and height of benches shall be governed by the; • . Type of equipment used • . Operation performed • . Ground control plan • . Both A & B 77.1003

  36. 34. A ledge, small terrace, or section of floor on a steep hillside or highwall is called a; • . Barrier • . Box Cut • . Bench • . Slope

  37. 35. A type of slope failure that occurs in highwalls distinguished by strata, or layers, of different kinds of materials is called a; • . Rotational Shear • . Rock Fall • . Plane Shear • . Raveling

  38. 36. An explosive material containing substantial amounts of oxidizers dissolved in water droplets, surrounded by an immiscible (incapable of blending or mixing) fuel is called; • . Prill • . Slurry • . Emulsion • . ANFO 56.6000

  39. 37. A blast site is defined as an area where holes are being loaded and within feet in all directions. • . 200 • . 100 • . 150 • . 50 56.6000

  40. 38. Ground conditions at surface mines shall be examined by; • . Certified persons • . Experienced persons • . Both A & B • . Mine superintendent 77.1004 (a) 56.3401

  41. 39. A flammable liquid; • . Has a flash point less than 1000 F • . Has a flash point less than 37.80 C • . Is known as a Class I Liquid • . All are correct 56.4000

  42. 40. Class IIIB Liquids have flash points at or above 0F • . 200 • . 140 • . 300 • . None are correct 56.4000

  43. 41. Any high voltage overhead power line on a coal mine must be at least feet above the ground. • . 15 • . 20 • . 35 • . 25 77.807-1

  44. 42. High voltage according to Part 77 is more than volts. • . 660 • . 12,500 • . 7,200 • . 1,000 77.2 (s)

  45. 43. Per Part 77, new inexperienced miners must wear a distinctively different colored hard hat until; • . They have one year of mining experience • . They are certified as a miner by the state they work in • . They have worked 12 out of the last 36 months as a miner • . Both A & B are correct 77.1710-1

  46. 44. When a hazard to the eyes exist, MSHA requires miners to wear; • . Goggles • . Face Shields • . Safety Glasses • . Suitable eye protection 56.15004 77.1710 (a)

  47. 45. When cutting, welding, or working with molten metal, Part 77 requires; • . Safety glasses • . Goggles or face shield • . Protective clothing • . Both B & C 77.1710 (a)

  48. 46. The only persons permitted to be on haulage roads, at loading or dumping locations are; • . Authorized persons • . Trained miners • . Anyone • . Certified persons 77.1600 (a)

  49. 47. MSHA allows persons to ride outside the cabs or beds of mobile equipment for purposes of; • . Training, testing, Maintenance • . Is not allowed • . Transporting miners • . Both A & C 56.9200 (d)

  50. 48. Seat belts do not need to be worn in mining equipment when; • . The blade operator is standing • . There is no ROPS • . Both A & B • . All are wrong 56.14130 (g) 77.1710 (I)

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