";s:4:"text";s:19917:" 4.The amount of current, An electrical burn may affect: b.Metal High humidity A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. Explosion. Of the following choices, which are frequent electrical hazards Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. 0000003603 00000 n
(See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 1. List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. Which of the following part of you body can burn if you come in contact with electricity? 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! (B) Switch sticks. What three things must be present for a current to flow through a conductor. c.The outlet. [. a.Ground Fault Circuit Insulator 1. hazard or that their employer is not following OSHA's rules. The following hazards are the most frequent causes of electrical injuries Contact with power lines, Lack of ground-fault protection, Path to ground missing or discontinuous, Equipment not used in manner prescribed, and Improper use of extension and flexible cords. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 1.Is faulty s\A0W+ 0000001896 00000 n
Extension cords may become a trip hazard when: How might this event affect the ability of animals to obtain energy to live? Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? When inspecting extension cords, look for: (E) a, b, and c. 2. The workers had removed their shirts and were sweating. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. The following are electrical hazards: Shock. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. d. Power outlets, ________ are anything that can transmit electrical current. Additionally, the ground prong was missing and there was no GFCI protection. 2.Complete 0000001861 00000 n
Stay at least 10 feet away from overhead power lines. B. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Isolating, Power lines may be located underground. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. 0000007427 00000 n
As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. Test your knowledge with our electrical safety quiz below. %
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Select the correct answer and then click DONE. 0000002386 00000 n
Select the correct answer and then click DONE. Frequently inspect electrical systems to insure that the path to ground is continuous. 0000421920 00000 n
OSHA will keep all identities confidential. Carly needs to use an extension cord with her corded nail gun. 0000110659 00000 n
5.Twitch, Electrical shock may result in: The most dangerous place to use electrical equipment is? Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. No GFCI's were used. 0000003900 00000 n
Which of the following can be caused by exposure to an arc flash? Select the correct answer and then click DONE. 3.ack of ground fault protection. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 1. a.Yes, because the electrical shock caused the fall. Is split Should Ajay use a GFCI? When an electric shock occurs, your muscles may: To be safe, you must think about your job and plan for hazards. Outlets <>
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4. To verify an electrically safe work condition, all these conditions should be confirmed EXCEPT: Effective training of employees includes all of the following EXCEPT: How to operate power tools in wet conditions. 0000017163 00000 n
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d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. d/E
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As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. d.50,000 volts. There are many types of hazards - chemical, ergonomic, physical, and psychosocial, to name a few - which can cause harm or adverse effects in the workplace. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. b.Shut off power within five minutes of the imbalance When it completes a circuit through the body. Visually inspect all electrical equipment before use. Only after a rescue squad arrived about 4 minutes later did anyone realize that the crane was in contact with a power line -- all those present had assumed that the victim had suffered a heart attack. If you are touching any grounded material while using a power tool HWMo#7v#h>6,Z4- OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Question 3: A/an ____________ is a unit of measurement for electrical resistance. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. d.Metal, Over half of all deaths caused by electricity result from contact with ________. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s Electrocution. When current travels through your body - Definition of electric shock. a. Gaseous matter If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. -Rubber. In which of the following workplace situations are you at risk for coming into contact with live electrical . The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. A. indoors. She finds several available in the shop. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Electrical hazards are life threatening incidents that could happen due to electricity. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 0000015549 00000 n
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Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. 0000002479 00000 n
1.Flammable liquids The driver stopped the truck under the power line, and the victim, not realizing that the truck had moved, swung the boom to position the bucket behind the truck. Hand-operated metal shifting ropes or cables of electric elevators. Electrical safety quiz answers are given below. 0000017336 00000 n
Ground all power supply systems, electrical circuits, and electrical equipment. 0000420887 00000 n
Which of the following are insulators of electricity? Quiz: Electrical Hazards. The workers administered CPR to the victim, but to no avail. -Wood. Draw a line from the item on the left that corresponds to the match on the right. Lockout/tagout procedures. 2 0 obj
D. near other electrical equipment. 2.Using extension cords or electrical tools properly. Using tools and equipment that can contact power lines increases the risk. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Question 2: Which of the following are ways employers must protect their employees on the workplace? 0000005050 00000 n
Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Freeze 0000010603 00000 n
[Power Tools]. 3. Extension cords are used to: b.30,000 volts Select the correct answer and then click DONE. d.The body of the power tool. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. b.Ground Fault Critical Interrupter 2.Loose screws What is the most common, non-fatal, electrical shock-related injury? OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. (A) Shotgun sticks. 0000108653 00000 n
specifically addresses electrical protective devices. Select the correct answer and then click DONE. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. If electrical equipment is used in ways for which it is not designed, you can no longer depend on safety features built in by the manufacturer. This standard also includes safe work practices for employees performing other work activities that can expose them to electrical hazards as well as safe work practices for the following: (1) Installation of conductors and equipment that connect to the supply of electricity (2) Installations used by the electric utility, such as office . Which group would be more accurate when used in an accelerating spaceship? Check your employee's electrical safety knowledge through an electrical safety quiz. 0000003771 00000 n
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a.20,000 volts When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. a.Extension cords 0000001646 00000 n
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The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. d.Add more outlets. Use only cords, connection devices, and fittings that are equipped with strain relief. a.Electricity xYmo -ER/&@[D,_! Whether the hazard is posed by worn or damaged power tools or cords, improperly grounded tools or equipment, or the presence of standing water, it is the responsibility of the contractor to make sure the tools and equipment 0000013999 00000 n
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4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. b.Yes, because Bob was on . The victim was part of a crew that was constructing a concrete wall. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. b.Rod OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. Working with electricity can be dangerous. 0000057373 00000 n
Suppose you could convert the 525525525 Calories in the cheeseburger you ate for lunch into mechanical energy with 100%100 \%100% efficiency and you throw a 0.145kg0.145~\mathrm{kg}0.145kg baseball with the energy contained in the cheeseburger. 0000004686 00000 n
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Due to the dynamic, rugged nature of construction work, normal use of electrical equipment at your site causes wear and tear that results in insulation breaks, short-circuits, and exposed wires. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. <<7628BB2D46738F42B2FC6393656F4718>]>>
Use only extension cords that are marked with a designation code for hard or extra-hard usage. <>
b.The tool's power cord. Yes, because he will be using electricity near water. b.Electrical tools Is the west coast of Africa a plate boundary? Electric current cannot exist without an unbroken path to and from the conductor. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: 2. Select the choices that accurately define the common electrical term. If a worker has been retaliated against for using their rights, they 0000056642 00000 n
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a.311 a) Ensure overhead power line safety A co-worker disconnected the power cord to the saw, too late to save the victim. 1.The humidity of the environment The victim collapsed into the lake and sank 4-1/2 feet to the bottom. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 0000422244 00000 n
How will she choose the correct cord? b. . Best practices with power lines include: b.burns. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. 0000089142 00000 n
He may have dropped the extension cord at the site and not heard the connector break. 0000420277 00000 n
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BE SAFE! uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [29 CFR 1926.404(f)(7)(v)]: Frames and tracks of electrically operated cranes. If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. using a 30-amp breaker in a system with 15- or 20-amp receptacles. 0000005734 00000 n
Select the correct answer and then click DONE. Both could have prevented the accident from occuring. 0000420564 00000 n
Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. One handle has a deadman's switch. What type of burns are the result of current flowing through and exiting the body? Electricity will form a "path" or "loop". <>
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d.A power tool, A GFCI is designed to: d.Water, Other electrical hazards in the workplace include: Remove cords from receptacles by pulling on the plugs, not the cords. Which of these can be used as insulating live-line tools for electrical protection. Use tools and equipment according to the instructions included in their listing, labeling or certification. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. 0000014257 00000 n
Does the fall qualify as an electrical accident? 0000003640 00000 n
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Examples Of Electrical Hazards. The following hazards are the most frequent causes of electrical injuries Contact with Power Lines, Lack of Ground-fault Protection, Path to Ground Missing or Discontinuous, Equipment Not Used in Manner Prescribed, and Improper Use of Extension and Flexible Cords. 2.Grounding When current travels through your body - Definition of electric shock, Choose the primary cause of an electric shock, Electric shock is caused when current travels through the body, the exits the ground. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? b. 3.When you are using portable power tools A doubly ionized lithium atom (Li2+,Z=3)\left(\mathrm{Li}^{2+}, \mathrm{Z}=3\right)(Li2+,Z=3) is in n=4n=4n=4 Bohr orbit. :$#k9BPnZ{Qqe/reKy,'ZlB# Which of the following are conductor of electricity? 0000005520 00000 n
When used on the moon? Quiz Question 9: Conductor insulation must be approved for the ___________ of use? Apply a warning tag to any defective tool and do not use it until the problem has been corrected. b.A fast-acting switch monitoring current flow Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 1. b+t6W' te+.W_{8u7Dt@1c. Select the correct answer and then click DONE. 0000004444 00000 n
Electrical Hazards Electrical hazards can be found in nearly every roofing work site. 2. d. heart attacks. Continually audit cords on-site. c.Guaranteed Fault Circuit Interrupter Quiz Question 2: Which is acceptable when using powdered tools? 3. Before using the equipment, be sure that the ground wire: Select the correct answer and then click DONE. You need to evaluate the situation you are in and assess your . Is not painted over ";s:7:"keyword";s:58:"which of the following are electrical hazards osha quizlet";s:5:"links";s:199:"Memphis Brooks Museum Of Art Staff,
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