Knowledge Review

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Knowledge Review

• Mandatory Health and Safety Standards Quiz

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MANDATORY Health Safety Standards QUIZ

• PLEASE MARK YOUR ANSWER SHEET WITH THE
  APPROPRIATE ANSWER FOR EACH QUESTION!

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1. The most common cause of injury in mining is

• . Electricity
• . Slips and Falls
• . Handling Materials
• . Hand Tools

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2. What is the most common cause of FATAL Injury
in mining today?

• . Blasting
• . Ground Falls
• . Electricity
• . Powered Haulage

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3. The body part most often injured in mining is

• . The arm
• . The back
• . The head
• . The leg

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4. Fire extinguishers at surface mines must be
inspected

• . Monthly
• . Every 6 Months
• . Quarterly
• . Both A B

56.4201 (1)
77.1110
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5. High voltage rubber gloves used in coal mines
must be tested

• . Annually
• . Before use
• . Monthly
• . Quarterly

77.704-8
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6. High voltage rubber gloves are tested to
withstand volts.

• . 2,000
• . 20,000
• . 5,000
• . 10,000

77.704-5 .606-1 (a)
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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)
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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
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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
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10. A new coal mine supervisor must receive first
aid training within days of starting that
job.

• . 180
• . 60
• . 30
• . 90

77.1703
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11. The above training must be at least hours
in length.

• . 10
• . 8
• . 4
• . 12

77.1706 (a)
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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)
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13. MSHA requires hours of new miner training
for construction workers

• . 0
• . 24
• . 16
• . 8

48.2 (I)
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14. Most explosive accidents/ injuries are the
result of

• . Premature Detonation
• . Handling Explosives Improperly
• . Flyrock
• . Insufficient Warning

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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)
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16. Pneumoultramicroscopic- silicovolcanoniosis
is

• . Not even a word
• . Black lung disease
• . Miners silicosis
• . Small volcanic particles

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17. Which of the following could be the DIRECT
cause of an accident?

• . Unsafe Act
• . Management Decisions
• . Unplanned Energy Release
• . Unsafe Condition

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18. Which of the following could be the INDIRECT
cause of an accident?

• . Management Decisions
• . Unguarded Machine Drive
• . Alcoholism
• . Lack of Job Safety Training

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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

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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

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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

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22. It is generally accepted that of
accidents are preventable.

• . 88
• . 100
• . 98
• . 78

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23. Breathing air that contains 13 to 17 Oxygen
could cause

• . Unconsciousness
• . Buzzing in the ears
• . Rapid heartbeat
• . Either B or C

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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

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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

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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

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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

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28. Rubber gloves for handling medium voltage
cables must be rated at volts

• . 660
• . 1,000
• . 7,200
• . 220

77.606-1 (b)
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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

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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)
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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)
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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)
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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
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34. A ledge, small terrace, or section of floor
on a steep hillside or highwall is called a

• . Barrier
• . Box Cut
• . Bench
• . Slope

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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

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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
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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
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38. Ground conditions at surface mines shall be
examined by

• . Certified persons
• . Experienced persons
• . Both A B
• . Mine superintendent

77.1004 (a)
56.3401
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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
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40. Class IIIB Liquids have flash points at or
above 0F

• . 200
• . 140
• . 300
• . None are correct

56.4000
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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
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42. High voltage according to Part 77 is more
than volts.

• . 660
• . 12,500
• . 7,200
• . 1,000

77.2 (s)
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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
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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)
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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)
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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)
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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)
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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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49. When backing up, mobile equipment on mine
property must have

• . Automatic back Alarm
• . Wheel mounted bells
• . An observer to signal
• . All are correct

56.14132 (b) (1)(i,ii,iv) 77.410
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50. Loads extending beyond the beds of vehicles
must be marked with a light or flag if the load
extends more than feet.

• . 3
• . 6
• . 4
• . 2

56.14208 (b) 77.1607 (t)