Podcast
Questions and Answers
A personal fall-arrest system must be secured properly to a _____
A personal fall-arrest system must be secured properly to a _____
anchorage point
When a crane is moving a load, it operates within a _____: if a worker is within that area, he or she could be caught-in-between the crane or its load and either the ground or another piece of equipment.
When a crane is moving a load, it operates within a _____: if a worker is within that area, he or she could be caught-in-between the crane or its load and either the ground or another piece of equipment.
swing radius
A _____ protects you from shock by detecting differences in current as small as 5 milliamps between the amount of electricity flowing into a circuit and the amount flowing out.
A _____ protects you from shock by detecting differences in current as small as 5 milliamps between the amount of electricity flowing into a circuit and the amount flowing out.
GFCI
_____ are a common cause of struck-by accidents at worksites and can sometimes be prevented by using back-up alarms.
_____ are a common cause of struck-by accidents at worksites and can sometimes be prevented by using back-up alarms.
Fall protection measures are required when workers are exposed to a possible fall of _____ or more to a lower level.
Fall protection measures are required when workers are exposed to a possible fall of _____ or more to a lower level.
Locking-out, tagging-out refers to the practice of:
Locking-out, tagging-out refers to the practice of:
Which of the following is true of an arc flash?
Which of the following is true of an arc flash?
Which of the following can be used to protect a trench 5-feet or more in depth?
Which of the following can be used to protect a trench 5-feet or more in depth?
Which of the following is an example of a passive fall protection system?
Which of the following is an example of a passive fall protection system?
A _____ lanyard fall-arrest system slows and eventually stops descent and absorbs the forces that could otherwise injure the worker.
A _____ lanyard fall-arrest system slows and eventually stops descent and absorbs the forces that could otherwise injure the worker.
_____ must be capable of supporting at least 2.5 times the load being lifted.
_____ must be capable of supporting at least 2.5 times the load being lifted.
Cranes, ladders, scaffold, backhoes, and paint rollers all present which type of electrical hazard at a worksite?
Cranes, ladders, scaffold, backhoes, and paint rollers all present which type of electrical hazard at a worksite?
Electrical power tools must be _____ by a 3-wire cord, _____ insulated, powered by a low-voltage transformer, or powered by a self-contained _____.
Electrical power tools must be _____ by a 3-wire cord, _____ insulated, powered by a low-voltage transformer, or powered by a self-contained _____.
MOT zone in traffic control plan provides the first indication to motorists that there is upcoming construction work is called the _____
MOT zone in traffic control plan provides the first indication to motorists that there is upcoming construction work is called the _____
Study Notes
Personal Fall-Arrest Systems
- A personal fall-arrest system must be secured to an anchorage point for safety.
Crane Operations
- When a crane moves a load, it operates within a swing radius, posing risks to nearby workers from being caught between the crane or load and surrounding equipment or ground.
Ground Fault Circuit Interrupter (GFCI)
- A GFCI protects from electrical shock by detecting current differences as small as 5 milliamps in a circuit.
Struck-by Accidents
- Heavy vehicles contribute to struck-by accidents at worksites; their incidence can be mitigated with the use of back-up alarms.
Fall Protection Requirements
- Fall protection measures are mandatory when workers are at risk of falling 6 feet or greater to a lower level.
Lockout/Tagout Procedures
- Locking-out, tagging-out includes comprehensive safety practices to prevent accidental equipment operation.
Arc Flash Hazards
- An arc flash presents multiple dangers, encompassing various risks to workers' safety.
Trench Safety
- Trench depths of 5 feet or more require protective measures, which can include various safety protocols and equipment.
Passive Fall Protection
- Passive fall protection systems incorporate various forms of protection that do not require active engagement by workers during a fall event.
Shock-Absorbing Lanyards
- A shock-absorbing lanyard in a fall-arrest system is designed to slow and eventually stop a worker's descent while absorbing potentially injurious forces.
Jacking Equipment Specifications
- Jacking equipment must support at least 2.5 times the load it is lifting for structural integrity.
Electrical Hazards
- Cranes, ladders, scaffolds, and other machinery pose electrical hazards through potential contact with overhead power lines.
Electrical Power Tool Safety
- Electrical power tools must be grounded, double insulated, powered by a low-voltage transformer, or use a self-contained battery for safety.
Traffic Control Measures
- The advanced warning area in a MOT zone alerts motorists to upcoming construction activities, providing critical notice for safety.
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