Podcast
Questions and Answers
Which of the following describes a permissible exposure limit (PEL)?
Which of the following describes a permissible exposure limit (PEL)?
- The minimum acceptable exposure of workers to a hazard over a specific period of time.
- A limit representing the maximum acceptable exposure of workers to a hazard over a specific period of time. (correct)
- The average exposure limit of workers to a combination of hazards.
- The ideal exposure of workers to a hazard that ensures no adverse health effects.
Why might a process technician be exposed to chemical hazards when reusing contaminated PPE?
Why might a process technician be exposed to chemical hazards when reusing contaminated PPE?
- Contaminated PPE increases the risk of fire ignition, leading to chemical exposure.
- The PPE may not provide adequate protection against the specific chemicals present.
- Chemicals trapped in the PPE can cause exposure through skin contact, inhalation, or ingestion. (correct)
- Contaminated PPE can degrade and release harmful chemicals onto the technician's skin.
How do Hazard Communication (HAZCOM) standards ensure employees are aware of chemical hazards?
How do Hazard Communication (HAZCOM) standards ensure employees are aware of chemical hazards?
- Through hazard communication programs, labels, safety data sheets, and employee training. (correct)
- By requiring employers to eliminate all hazardous chemicals from the workplace.
- Through air monitoring to ensure chemical concentrations are below permissible exposure limits.
- By mandating the use of specific PPE for each chemical.
If an employee is sweating profusely while working in a hot environment, what is the MOST likely physiological process occurring?
If an employee is sweating profusely while working in a hot environment, what is the MOST likely physiological process occurring?
What is the MAIN difference between an air-purifying respirator and an air-supplying respirator regarding their use in certain environments?
What is the MAIN difference between an air-purifying respirator and an air-supplying respirator regarding their use in certain environments?
What is the MOST appropriate action a process operator can take to minimize slip, trip, and fall hazards in the workplace?
What is the MOST appropriate action a process operator can take to minimize slip, trip, and fall hazards in the workplace?
Why is a trench deeper than 5 feet of particular concern when evaluating safety?
Why is a trench deeper than 5 feet of particular concern when evaluating safety?
An employee is working at a height of 6 feet. According to OSHA regulations, what is generally required for fall protection?
An employee is working at a height of 6 feet. According to OSHA regulations, what is generally required for fall protection?
What is the MOST likely consequence of an improperly treated cooling tower?
What is the MOST likely consequence of an improperly treated cooling tower?
What is the MOST accurate definition of an 'unsafe act' in the context of workplace safety?
What is the MOST accurate definition of an 'unsafe act' in the context of workplace safety?
Flashcards
What is an unsafe act?
What is an unsafe act?
Any behavior increasing the likelihood of a worker experiencing an accident or injury.
What is Permissible Exposure Limit (PEL)?
What is Permissible Exposure Limit (PEL)?
PEL represents the maximum acceptable exposure of workers to a hazard over a specific period.
The most common route of entry for harmful substances?
The most common route of entry for harmful substances?
The most common way for hazardous substances to enter the human body.
What is Convection?
What is Convection?
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What does IDLH stand for?
What does IDLH stand for?
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What is engulfment?
What is engulfment?
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What is electrical grounding?
What is electrical grounding?
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What does LEL mean?
What does LEL mean?
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What is a confined space?
What is a confined space?
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What is BLEVE?
What is BLEVE?
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Study Notes
- Texas had the highest number of fatal injuries from 2007-2011.
- An unsafe act increases the likelihood of a worker experiencing an accident or injury.
- The CSB is a federal organization that investigates industrial accidents.
- Heat is added energy that can cause a temperature increase in a material.
- OSHA 1910.1200 is the "Right to Know" standard.
- Employers must ensure employees demonstrate understanding and proper use of PPE before work.
- It is false that OSHA was created by President Richard Nixon in 1972.
- The EPA protects the environment.
- Hazards are substances, methods, or actions causing damage or destruction to personnel, equipment, units, facilities, or the environment.
- A chemical hazard arises from a solid, liquid, gas element, compound, or mixture causing health problems or pollution.
- Acid Rain results from air pollution.
- CFCs were banned in the United States to protect the Ozone.
- The transportation industry is the largest contributor to carbon monoxide in the atmosphere.
- Carbon monoxide (CO) is clear.
- Carcinogens cause cancer.
- Acute effects are short-term health effects, and chronic effects are long-term.
- The Permissible Exposure Limit (PEL) is the maximum acceptable exposure of workers to a hazard over time according to OSHA.
- Inhalation is the most common route for hazardous substances to enter the human body.
- Improperly treated cooling towers can create a legionella biological hazard.
- Process technicians can be exposed to chemical hazards by sampling, breaking piping/hose connections, and reusing contaminated PPE
- Acids have a pH less than 7.
- A substance with a pH of 7 is considered neutral.
- OSHA, EPA, and DOT are the main government agencies that address chemical hazards.
- Hazard communication and Right to Know and written hazard Communication program, labels are the standards to ensure employees are aware of the chemicals they are exposed to in the workplace.
- HAZCOM standards require a written hazard communication program, labels and other warning forms, safety data sheets, and employee training.
- Bacteria are single-celled, microscopic organisms lacking chlorophyll.
- Algae are simple plant-like organisms that grow in water.
- HIV and Hepatitis B are examples of Bloodborne Pathogens.
- Radiation is the transfer of heat through electromagnetic waves.
- Energy is the ability to do work.
- Pressure is the amount of force a substance exerts on an area.
- Temperature measures thermal energy.
- Heat, fuel, and oxygen are required to start a fire.
- Lower explosive limit (LEL) is the lowest concentration of a flammable gas or vapor in the air that will ignite.
- Class D is the class of Combustible Metal fires.
- A BLEVE is an explosion from excessive vapor compression in a container's headspace; the vapor flashes upon release.
- Blue represents Health on the NFPA Hazard diamond.
- Static electricity and sparks can ignite a hydrocarbon vapor.
- Convection is heat transfer through liquid or gas movement.
- A chain reaction is an additional element on the Fire Tetrahedron, but not on the Fire Triangle.
- Endothermic reactions require the addition or absorption of energy.
- Exothermic reactions give off heat.
- Nitrogen cannot be detected by smell.
- National Fire Code Section 704 is a system for identifying hazards.
- Atmospheric pressure is 14.7 PSIA.
- Sweating is the body's primary method for removing excessive heat.
- The NRC states a total internal and external dose for work must not exceed 5 rems per year.
- Hypothermia begins when the core body temperature falls below 95.
- Immediately dangerous to life and health (IDLH) is any condition posing an immediate threat or causing permanent health problems.
- A toxic atmosphere is air that is poisonous.
- A confined space is a work area not designed for continuous occupancy, restricting entry, exit, and movement.
- Air-purifying respirators differ as they use a filter or cartridge to remove any contaminants and can not be used in oxygen deficient atmospheres while supply respirator provides breathable air through a hose from a clean air source, like a tank or compressor.
- You cannot wear an air-purifying respirator in an oxygen-deficient atmosphere.
- Self-contained breathing apparatus, or SCBA, requires the wearer to carry all the breathing equipment.
- A person can use an air-supplied respirator longer in a hazardous environment than an SCBA.
- Housekeeping contributes to general duties, which lessen hazards associated with walking surfaces.
- Have both feet and at least one hand available when ascending or descending stairs is a safety practice known as three-point contact.
- A person is allowed to carry one item in their hand while coming down a ladder ONLY.
- Only one person is allowed on a ladder at a time.
- Means of egress is an exit for evacuating a building or facility during an emergency.
- An open excavation is considered a confined space.
- OSHA mandates fall protection when working at elevations of 4 feet or more.
- Engulfment is the state of being surrounded or covered by material or products in a confined space.
- The measurement of the intensity of sound is the decibel.
- OSHA requires hearing protection at 85 decibels.
- Hertz measures frequency.
- OSHA limits noise exposure to 8 hours at 90 decibels.
- Horseplay is never allowed in the workplace.
- Compressed air for cleaning must be reduced to less than 30 PSI.
- Resistance welding generates electricity through the material being welded with pressure at the weld point.
- Trenches deeper than five feet require a protective system like sloping, shoring, and shielding.
- Grounding intentionally creates a low-resistance path to conduct electricity safely to earth.
- Closed and simple systems are two basic types of loading and unloading systems on tank cars.
- Pipelines are a cost-effective way to transport large quantities of fluids on/offshore.
- An oxygen-deficient atmosphere is less than 19.5% oxygen content.
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