OSHA 30 construction elect/fall/trench

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To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use? A. Traffic signs B. Barricades C. Flaggers D. All of the above

A. Traffic signs B. Barricades C. Flaggers D. All of the above

Wet or damp conditions worsen electrocution hazards. A. True B. False

A. True

electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. A. True B. False

A. True

Employers are NOT required to enforce lockout/tagout safety-related work practices on the job site. A. True B. False

B. False

It's okay to use extension cords with worn insulation, as long as you are careful about it. A. True B. False

B. False

Caught in or -between hazards are related with excavations [trenches]; therefore, the hazard considered to be the greatest risk is: A. Cave-ins B. Severing of underground utilities C. Equipment falling into trenches

A. Cave-ins

One who is capable of identifying existing and predictable hazards in the surroundings and who has authorization to take prompt corrective measures to eliminate them is a/n __________. A. Competent Person B. OSHA Compliance Officer C. qualified person

A. Competent Person

Providing worker training on the safe use of the equipment being operated is the responsibility of the: A. Employer B. Worker C. State OSHA consultation

A. Employer

Struck-by __________ object hazards exist when something is being propelled, hurled or thrown. A. Flying B. Falling C. Swinging

A. Flying

The following are examples of struck-by hazards. Which one is an example of a struck-by flying hazard? A. Hit by a nail from a nail gun B. Hit by a load dropped from a crane C. Run over by a vehicle in a roadway work zone

A. Hit by a nail from a nail gun

Which of the following are preventative measures that can be taken to protect yourself from electrocution hazards? A. Keep a safe distance from overhead power lines B. Store important equipment beneath power lines C. Use nonconductive equipment D. A and C only

A. Keep a safe distance from overhead power lines C. Use nonconductive equipment D. A and C only

As a load is mechanically lifted, the materials ________. A. May strike workers if the load swings, twists or turns B. will not be affected by windy conditions or bad weather C. Can weigh any amount without causing a problem with the equipment

A. May strike workers if the load swings, twists or turns

Employers must protect workers from struck-by hazards by __________ . A. Providing PPE such as hard hats and safety glasses B. Establishing guidelines that allow only contractors access in the crane work zone C. Ensuring guards in tools and equipment are removed when it is absolutely necessary to get the job done

A. Providing PPE such as hard hats and safety glasses

Which of the following are a part of PPE that can prevent electrocution? A. Rubber Insulating gloves B. Hoods C. Sleeves D. None of the above E. all of the above

A. Rubber Insulating gloves B. Hoods C. Sleeves E. all of the above

All hand-held power tools should have guards and ________ on them. A. Safety switches B. Warning lights C. Yellow tape

A. Safety switches

A fan connected to a 120-volt electrical system by an extension cord waws worn through and exposed the bare, energized conductor, which made contact with the ladder. The ground wire was not attached to the male end of the cord's plug. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Which of the following contributed to the electrocution? A. Use of known faulty equipment B. Lack of grounding C. Short in a receptacle D. All of the above E. None of the above

A. Use of known faulty equipment B. Lack of grounding C. Short in a receptacle D. All of the above

A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. The worker handling the antenna received a fatal shock. What measures could have been taken to prevent the accident from occurring? A. Workers should have been aware of overhead power lines B. Employees should have received proper safety training C. both of the above could have prevented the accident from occurring?

A. Workers should have been aware of overhead power lines B. Employees should have received proper safety training C. both of the above could have prevented the accident from occurring?

To protect against caught-in or between hazards, a worker should not only avoid wearing loose clothing or jewelry, but also a worker should avoid: A. Working with equipment/machinery that has not been locked-out B. Using equipment/machinery that is guarded C. Operating equipment/machinery while wearing a seatbelt

A. Working with equipment/machinery that has not been locked-out

Which of the following are ways employers must protect their employees on the job site? A. ensure overhead power line safety B. by supplying GFCIs, or ground-fault-circuit interrupters C. Establish and enact an assured equipment grounding conductor program (AEGCP) D. all of the above

A. ensure overhead power line safety B. by supplying GFCIs, or ground-fault-circuit interrupters C. Establish and enact an assured equipment grounding conductor program (AEGCP) D. all of the above

A struck-by hazard con be described as anytime a worker _________ . A. Falls from a height of greater than ten feet B. Is hit by a falling, swinging, flying or rolling object C. Can get any part of his/her body caught in or in between objects

B. Is hit by a falling, swinging, flying or rolling object

Which procedure helps to ensure equipment doesn't accidentally reenergize when it's being repaired or worked on ? A. Trench boxes B. Lockout/Tagout C. Safety Guards

B. Lockout/Tagout

Struck-by injuries are produced by forcible contact or impact between the injured person and a/n _____________ . A. High voltage power line or other energy source B. Object or piece of equipment C. Co-worker or employer

B. Object or piece of equipment

To prevent being pinned between equipment or other objects, workers should avoid ___________. A. Using a trench box or shield during excavation work B. Placing themselves between moving vehicles and an immovable structure, vehicle, or stacked materials C. Removing a safety guard when a tool such as a circular saw or power drill is being used

B. Placing themselves between moving vehicles and an immovable structure, vehicle, or stacked materials

All rigging equipment must be inspected ___________ each lift. A. After B. Prior to C. During D. As needed

B. Prior to

Workers should wear a __________ if required, to avoid being thrown from a vehicle and crushed as the vehicle tips over. A. Hard hat B. Seatbelt C. Safety guard

B. Seatbelt

If your hard hat sustains a heavy blow from a falling or flying object you __________ . A. Don't need to replace it B. Should carry on working C. Must replace it immediately

C. Must replace it immediately

Make sure all loads carried by equipment are stable and ___________ . A. Stacked B. Immovable C. Secured

C. Secured

Workers should not work in an unprotected trench that is 5 feet deep or more. The type of protection installed may be sloping or benching, trench box or shield and __________ . A. Stabilizing B. Steadying C. Shoring

C. Shoring

Among the list of ways workers can protect themselves when working on or near any construction zone, is to __________ . A. direct traffic in and out of the work zone B. work behind moving vehicles C. Wear high-visibility reflective clothing

C. Wear high-visibility reflective clothing

Which of the following is NOT a category of electrical burns? A. electrical B. Arc/Flash C. thermal contact D. Shock

D. Shock


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