Transportation
Question | Answer | Notes |
What is not an MSHA best practice for safe underground traffic management? A. Provide separate roadways for each direction of travel where possible; B. Use translucent curtains and clear fly pads as a ventilation control on working sections; C. Only move equipment through designated haulage routes; D. Park equipment in designated locations along roadways | D. Park equipment in designated locations along roadways | Park equipment in designated locations away from roadways. |
Identify three potential hazards if you drive too close to haulage equipment. | Tire blow out; material off the bed; dust; collision due to rollback; not in operator’s line of sight | |
What are two safety reasons that surface mines implement left-hand traffic? | To avoid cab-to-cab collisions; to allow operators to better see the edge of the road | |
What do the following horn sounds communicate? 1 honk, 2 honks, 3 honks | 1 honk: start up; 2 honks: forward; 3 honks: reverse | Remember to wait a few seconds to allow people to react to your horn. |
Which two statements are true about berms? A. Shall be provided and maintained on the banks of roadways where a drop-off exists to cause a vehicle to overturn; B. Shall be mid-axle height of the most common piece of mobile equipment; C. Shall be provided and maintained on the banks of roadways only if there is a water hazard; D. Shall be mid-axle height of the largest mobile equipment that usually travels the roadway | A. Shall be provided and maintained on the banks of roadways where a drop-off exists to cause a vehicle to overturn; D. Shall be mid-axle height of the largest mobile equipment that usually travels the roadway | |
Name three reasons that an operator may need to travel under the posted speed limit at a mine site. | Poor visibility; weather; road conditions; pedestrians; traffic; road grade; clearance; type of equipment | |
True or false: You may always assume that large equipment operators can see you or your vehicle. | False | |
Name four potential safety defects found during a pre-op inspection that should cause you to take your vehicle or equipment out of service. | Faulty brakes; broken windshield or mirrors; no buggy whip; faulty travel or back-up alarm; lights out or broken; broken seatbelt; faulty horn; radio broken or not installed | |
Unattended vehicles or equipment shall have what two controls in place to block against movement? | Chock and parking brake; or parking ditch and parking brake | |
Continuous clearance of at least 30 inches must be maintained from the farthest projection of moving equipment on at least one side of the haulage way. If this requirement cannot be met, what must be provided at adequate intervals to ensure the safety of persons walking along underground haulage ways? A. Shelter hole/manhole; B. Inby; C. Outby; D. Armor | A. Shelter hole/manhole | One of the fundamental rules underground is that when 2 pieces of equipment approach each other or when a pedestrian approaches a piece of equipment, light signals or equipment lights need to be used to gain the attention of the operators, where a response is required that the other miner understands the situation and acknowledges right of way. When being approached by mobile equipment – shine cap lamp light into the eyes of operator to let him know you are there. |
What are two main benefits of wearing your seatbelt? | It prevents you from being ejected from your vehicle in an accident; It protects you from the force of an airbag deploying in a crash; It ensures all passengers are safe in the vehicle | Of the 23,824 passenger vehicle occupants killed in 2020, 51% were not wearing seat belts — a 4% increase from 2019. |
True or false: Seatbelts must be worn by all people on a conveyance when equipped. | True | |
When climbing in/on machinery, how many points of contact must you maintain? A. 1; B. 2; C. 3; D. 4 | C. 3 | |
True or false: Berms must be wheel-height of the largest piece of equipment on the road. | False | |
What should a pre-operational inspection include? A. Seatbelts; B. Lights; C. Brakes; D. All of the above | D. All of the above | |
True or false: Continuous backup alarms are for the notification of people outside the vehicle. | True | |
True or false: When parking your light vehicle you must apply the parking brake and use chocks. | True | |
True or false: All mine vehicles must be equipped with a buggy whip and strobe light. | False | |
Which of these would have the right of way on a haul road? A. Haul truck; B. Light vehicle; C. Loaded explosives vehicle; D. Pedestrians | C. Loaded explosives vehicle | |
Which are the two main safety reasons left-hand traffic is safer for haul truck operators? A. Reduces cab-to-cab collisions, better berm visibility; B. Avoids cab-to-cab collisions, reduces operator stress; C. Avoids cab-to-cab collisions, better light vehicle visibility; D. None of the above | A. Reduces cab-to-cab collisions, better berm visibility | |
Which of the following is an example of a light duty vehicle? A. Small bobcat or excavator; B. Pickup truck; C. Haul truck | B. Pickup truck | |
True or false: Haul truck blind spots are large, but you can always see within fifteen feet of the cab. | False | |
True or false: A haul truck always has the right of way. | True |