0000001646 00000 n Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. CCOHS: Electrical Safety - Basic Information a.Standing in water 12 months C. 6 months D. Never Q23. The following are electrical hazards: Shock. 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. Electricity will form a "path" or "loop". Which of the following are electrical hazards? - Brainly.com Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. He may have dropped the extension cord at the site and not heard the connector break. 2. Question 1: Which of these is a type of Ground Fault Circuit Adapter? 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. Extension cords may become a trip hazard when: As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. . Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires Electrical Safety Quiz-Test Your Electrical Safety Knowledge 0000002386 00000 n Computers c.911 Select the choices that accurately define the common electrical term. Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 0000003603 00000 n c.A measurement of electricity x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q %PDF-1.5 Quiz Question 2: Which is acceptable when using powdered tools? endobj Bob is asked to repair some overhead wiring, requiring the use a ladder. 0000000016 00000 n which of the following are electrical hazards osha quizlet BE SAFE! 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. Regarding hand protection employers should: A. The victim was part of a crew that was constructing a concrete wall. a.Yes, because the electrical shock caused the fall. a.Two-prong plug Effective means of controlling power line hazards include: Dust 0000007694 00000 n a.Extension cords 4.Broken. Select the choices that accurately define the common electrical term. OSHA 10 General Industry Test Answer Key WALKING. 3.Loss of eyesight 0000001814 00000 n Which of the following part of you body can burn if you come in contact with electricity? Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: specifically addresses electrical protective devices. Both could have prevented the accident from occuring. (E) a, b, and c. 2. 4.Flex Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Continually audit cords on-site. gYpV:+ As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Select the correct answer and then click DONE. Electrical Hazards - SSOE Group 2.Loose screws PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. eTool : Construction - Electrical Incidents | Occupational Safety and Frames of non-electrically driven elevator cars to which electric conductors are attached. True. The source of the shocks -- the saw -- was not replaced. 1. a.311 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. Which of the following factors determine how severe an electrical injury might be? 182 0 obj <> endobj xref 182 41 0000000016 00000 n 0000005406 00000 n Lockout/tagout procedures. Determine duration, frequency, degree of exposure to hazards and physical stress. 0000028595 00000 n On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Frequently inspect electrical systems to insure that the path to ground is continuous. 1.Pain c. Extend the reach of the power tool. 2. [Power Tools]. OSHA 29 CFR 1910, Subpart P . PDF OSHA Safety - Electrical Safety - Red Vector Which of these can be used as insulating live-line tools for electrical protection. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 0000110659 00000 n Use non-conductive wood or fiberglass ladders when working near power lines. According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. b. Deductive objects The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . %PDF-1.5 The following references aid in recognizing hazards associated with electrical work. High humidity Question 2: Which of the following are ways . Potential hazards of electricity are preventable if you do which of the following listed below? (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. 0000013999 00000 n What is the primary purpose of properly grounding equipment? 2 0 obj Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 3.Body tissue PDF Electrical Safety - Occupational Safety and Health Administration True. OSHA will keep all identities confidential. *Effects are for voltages less than about 600 volts. 1.Damaged cover or insulation 0000017163 00000 n Test your knowledge with our electrical safety quiz below. _.9u'2G_0 Ue]e"x5|Y D 600v. An OSHA inspection revealed that the tool's original power cord had been replaced with a flat cord, which was not designated for hard service, and that strain relief was not provided at the point where the cord entered the tool. Before work began, the company safety director made sure that insulated line hoses were placed over sections of the the power line near the jobsite and that a safety clearance zone was marked off for arriving cement trucks. H. (A) Shotgun sticks. When does electricity become hazardous to humans? 0000007116 00000 n A co-worker disconnected the power cord to the saw, too late to save the victim. Use tools and equipment according to the instructions included in their listing, labeling or certification. 0000004884 00000 n [Flexible Cords and Power Tools]. 128 0 obj <> endobj xref 128 26 0000000016 00000 n Yes, because he will be using electricity near water. The floor is covered in water and she is barefoot. 1452 25 To be safe, you must think about your job and plan for hazards. A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. Should he use an extension cord to power it? 0000420564 00000 n The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. If a worker has been retaliated against for using their rights, they d) All of the above. a.Ground Fault Circuit Insulator 3.Clear 3.Loose nuts The plug of the compressor and an extension cord had been modified to fit a wall outlet for a common household clothes dryer (220 V). 0000005716 00000 n a. 3.Cramp 0000002557 00000 n -Glass. 3.When you are using portable power tools Fire Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. To avoid injury or death, you must understand and recognize hazards. View Answer Answer: 600v 4 . (C) Hot sticks. q>NmnLNmb$"Iyx1bD9.~Ll. 0000006152 00000 n 1.When you are using electricity near water =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. d.Metal, Over half of all deaths caused by electricity result from contact with ________. 2.Skin 0000001731 00000 n Additionally, the ground prong was missing and there was no GFCI protection. Visually inspect all electrical equipment before use. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. 1. 0000001116 00000 n Which of the following are insulators of electricity? 2.Loose bolts 0 Easy to identify After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. The workers had removed their shirts and were sweating. Best Practices with Power Lines Quiz OSHA 30 - Best Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. Muscular contraction and nerve damage occur; death likely. )KL3C?e%Y92$,]^)kmR/!8\ JF N'bT\U1+tc+&:'ZuGi!UeUrE [?CrU.&|#@Ed,=2UF]r/n/{v-;v>%/~;[*AxBU,-#!uyFGR,Wv[ cOzObnZfI4ob:pf "~ .iBE@mOs:Os5U9cnU` Vd"F'4Bm?>}hyRQyrX0U026h7#L'. 1 0 obj endobj Select the correct answer and then click DONE. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. c.Three-prong plug Death. 3 0 obj 4. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. c.Gasoline Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. 21 Examples Of Electrical Hazards - HSEWatch 2.Grease Is split 0000007464 00000 n Death is probable. Osha 10 test answers 2021 quizlet - Math Questions Use only extension cords that are marked with a designation code for hard or extra-hard usage. Get All Answers to OSHA 30 Construction Final Exam. b.burns. When current travels through your body - Definition of electric shock. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? The small electrical current enters his body through his left leg. 2.Something to transport the electrical current -- A conductor. 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. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Explain the purpose and use of the MyPlate symbol. Select the correct answer and then click DONE. Use only equipment that is approved to meet OSHA standards. d. heart attacks. 0000010603 00000 n What is the output of the program in Exercise 17, if first = 26 and second = 8? -If current passes through the body near the heart or brain. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 0000005042 00000 n Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. OSHA: Electrical Hazards Flashcards | Quizlet 4.Must be replaced, Always use a GFCI: . (D) None of the above. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 0000421627 00000 n 4 0 obj Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Extension cords had poor splices, no grounds, and reversed polarity. [29 CFR 1926.416(a)(1)]. PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS <<7628BB2D46738F42B2FC6393656F4718>]>> Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? [Flexible Cords and Power Tools] If there is no ground-fault protection, these can cause a ground-fault that sends current through the worker's body, resulting in electrical burns, explosions, fire, or death. <> s\A0W+ Does the fall qualify as an electrical accident? PDF Electrical Hazards - Occupational Safety and Health Administration 0000414648 00000 n Quiz Question 1: Which of the following is not a category of electrical burns? Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. When inspecting extension cords, look for: 3.The length of time the body is in contact with electricity b) By supplying GFCIs, or ground-fault circuit interrupters 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. It's okay to use extension cords with worn insulation, as . Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Which group would be more accurate when used in an accelerating spaceship? The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. A. wrap tape around the damaged spot to prevent electrical shocks. Protection is lost because it will not trip when the system's load has been exceeded. 0000056642 00000 n 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Select the correct answer and then click DONE. 0000022637 00000 n Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health 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. hbb``b``3N0  endstream endobj 183 0 obj <>/Metadata 28 0 R/Names 184 0 R/Outlines 23 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 184 0 obj <> endobj 185 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 186 0 obj <> endobj 187 0 obj <> endobj 188 0 obj <>stream D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. [. 2.Grounding OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. endobj 1.Is faulty C 277v. 1. When you plug in a device (e.g., a power tool), the electricity takes the easiest path from the plug-in, to the tool, and back to the power source. Quiz Question 3: Power cords can be damaged by which of the following? gYpV:+ Hand-operated metal shifting ropes or cables of electric elevators.

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