Who is allowed to make electrical repairs inside an MCC at a surface mine?
What is a Certified Electrician
True or False: You can work on a conveyor beltline if you pull the safety cord.
What is False. You must lockout
How often must equipment be inspected?
What is at the beginning of each shift.
How often shall fire extinguishers be inspected?
What is at least once per month and annually
If a co-worker is injured and not breathing you should
What is Check for Pulse. If no pulse start CPR
What is considered an important safety practice around shops and plants and a top violation with MSHA?
What is Good Housekeeping.
What is the leading cause of surface mining accidents?
What is Truck Haulage, Heavy Equipment. Powered Haulage.
How long should the alarm be on a conveyor startup alarm
What is 10 seconds. If the belt does not start within 30 seconds you must re-alarm
What safeguards shall be taken by persons working in a location where there is a danger of falling?
What is they shall wear safety harnesses.
When shall equipment defects affecting safety be reported?
What is Immediately.
What document shall be completed before shift begins?
Why is the Workplace Exam
What is the most common blasting agent used in surface mining?
What is ANFO, which is composed of ammonium nitrate and fuel oil.
What must you achieve with lockout before going to work on equipment.
What is zero energy
Where is methane gas most likely to be found around surface operations?
What is In draw-off tunnels or low lying areas.
What is the greatest danger of tramming an endloader with the bucket in a raised position?
What is Overturning.
Areas surrounding flammable liquid storage tanks and electric substations and transformers shall be kept free from grass (dry), weeds, underbrush, and other combustible materials, for at least how many feet in all directions?
What is 25 ft.
What is a space that is large enough to enter, has limited means of entry and is not designed for human occupancy called?
What is a confined space
Name four of the six steps of Lockout.
Shut off equipment
Isolate equipment from power
apply locks and tags
release stored energy
Verify
What does guarded by location mean?
Moving machine parts that are higher than 7 feet can be guarded by location instead of using a physical guard.
To what dangers are equipment operators exposed while operating equipment with faulty exhausts?
What is Carbon monoxide or nitrogen dioxide poisoning.
How many hours of training must be documented for a new miner at a surface mine?
What is 24 hours