Fire Prevention
Parts 46 & 48
Electrical Safety
Miscellaneous
Machinery
100

What will be posted were a fire or explosion hazard exist?

What is No Smoking or Open Flame signs.

100
How many hours of safety training are required for a new surface miner
What is 24 hours
100

Why do Transformer enclosures have to be locked?

What is preventing unauthorized entry.

100

What is the required minimum PPE to work on an MSHA governed site

What is hard hat, hard toed shoes, and safety glasses

100

When shall mobile equipment be inspected?

What is: Before being placed in operation

200

  Rags containing flammable or combustible materials shall be kept were?

What is a covered metal container

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.
200

Windows on mobile equipment need to be made of

What is Safety Glass or material made with equivalent material.

300

When do fire extinguishers have to be inspected.

When is visually once a month and mechanically every 12 months.

300

Part 46 are the MSHA rules governing what

What is surface mines and quarries of a certain commodity

300
What is the minimum distance you must keep all trucks, cranes and booms from any energized power lines
What is 10 feet
300

What is the required height for berms?

What is Mid Axle height 

300

When can repairs be made on machinery or equipment

What is only after the power is off and blocked from movement

400

What is the allowable minimum size of a fire extinguisher? 

How much is 5 pounds.

400
To conduct Part 48 training, a mine must have an MSHA approved what
What is An approved training plan
400
The earth is considered as having __________ voltage
What is ZERO
400

What must you do when operating a grinding wheel?

What is wear face shield or goggles.

400

When are guards required

What is: when there is a possibility of coming into contact with moving parts

500

When does a self propelled piece of equipment need a fire extinguisher?

When is, when a fire could impede escape.

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 required to do a work place exam?

When is at least once each shift before miners begin work in area.

500

What does ROPS stand for

What is: Roll Over Protective Structures

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