Ground Control
Parts 46 & 48
Electrical Safety
Miscellaneous
100
How often should ground conditions be inspected
What is at least once per shift
100
How many hours of safety training are required for a new surface miner
What is 24 hours
100
A shock involving as little as ________ volts can be fatal
What is 40 volts
100
What is the required minimum PPE to work on an MSHA governed site
What is Non-metalhard hat, steel toed shoes, and safety glasses
200
What is the minimum distance to stay away from the top edge of the highwall.
What is at least 6 feet
200
How often does an above ground mine get inspected by MSHA
What is twice a year
200
According to MSHA regulations, all electrical repairs must be performed by
What is a qualified electrician
200
What is site specific training
What is training conductedat the mine site concerning the specific hazards associated with that particular site.
300
Where is the safest place to be when in a quarry or a mine
What is in your vehicle
300
Part 46 are the MSHA rules governing what
What is surface mines and quarries
300
What is the minimum distance you must keep all trucks, cranes and booms from any energized power lines
What is 10 feet
300

Dual hearing protection is required by MSHA when performing what task

When Sound levels are at 105dBa

400
What is the minimum size requirement for a berm
What is Axle height of the largest piece of equipment on the mine site
400

Does MSHA require a training plan for Part 46

What is No

400
The earth is considered as having __________ voltage
What is ZERO
400
What three devices are required when inflating tires
What is clip on chuck; in-line regulator; restraining device or barrier
500
What is the required distance to work from the base of a highwall
What is 25% of the height of the face of the highwall
500
How offten must miners receive REFRESHER training and what is the duration of this training
What is Annually for 8 hours
500
What is the most dangerous path for current to pass through the human body
What is the chest area
500
When is it acceptable to weld or apply heat to a wheel or rim
When is NEVER
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