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Quiz Question 1: Which of the following is not a category of electrical burns? 0000427811 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. Additionally, the ground prongs were missing from the two cords. Supply power for tools or equipment on a long-term basis. 2.Complete True. Water endobj c.Power lines Select the correct answer and then click on DONE. 0000004921 00000 n If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 3. endobj 0000013999 00000 n 0000003715 00000 n He yelled for his co-workers to disconnect the power, which they did. Using a dry wood ladder when the possibility exists for contact with electricity. c.Gasoline 0000057373 00000 n 0000007741 00000 n Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Is the west coast of Africa a plate boundary? [Flexible Cords and Power Tools]. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. b.burns. 5.Twitch, Electrical shock may result in: Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. Overview. -Rubber. 3.Loss of eyesight 3.Body tissue 12 months C. 6 months D. Never Q23. 0000003603 00000 n 2 0 obj Quiz Question 7: Which is not an insulator? c. Match the color of the tool to the color of the extension cord. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR She finds several available in the shop. b.811 Question 1: Which of these is a type of Ground Fault Circuit Adapter? Fire Since the outlet at the adjacent property had no socket for a ground prong, the extension cords were plugged into the outlet using an adapter, but the ground wire of the adapter was not grounded. -Grounding= a conductive connection to the earth which acts as a protective measure. 0000012360 00000 n (E) a, b, and c. 2. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream 3. V1?`T`P``ya W3 |"H36K1A@, rO(V[|NAT30 qI? endstream endobj 221 0 obj <>/Filter/FlateDecode/Index[30 152]/Length 27/Size 182/Type/XRef/W[1 1 1]>>stream 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. 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 . 3.Something that causes current to flow through the . Select the correct answer and then click DONE. 0000003413 00000 n Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc. 0000420887 00000 n Potential hazards of electricity are preventable if you do which of the following listed below? 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: b.10 feet An examination revealed that the spring, cover plate, and part of the melamine casing were missing from the face of the female connector (the spring and some melamine fragments were found at the accident site). Used across walkways. d.Adapter, What is a GFCI? d. Match the outlet prongs to the extension cord. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. a.Yes, as it is a mobile engine testing station. 1. He plans to use it over a period of at least six months. 4.No, because he does not need to use an extension cord. b.Ground Fault Critical Interrupter What type of burns are the result of current flowing through and exiting the body? b. Deductive objects Electrical hazards are life threatening incidents that could happen due to electricity. OSHA Safety and Health Topics Page. 0000419562 00000 n BE SAFE! In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 0000005734 00000 n Get All Answers to OSHA 30 Construction Final Exam. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 0000001672 00000 n On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). This is action is also known as creating or completing an electrical circuit. There were no eyewitnesses to the accident, but evidence suggests that while the victim was handling the damaged and energized extension cord, he provided a "path to ground" and was electrocuted. No GFCI's were used. Which of the following are insulators of electricity? View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 4.Flex stream Muscular contraction and nerve damage occur; death likely. Draw a line from the item on the left that corresponds to the match on the right. 1.When you are using electricity near water Use only extension cords that are marked with a designation code for hard or extra-hard usage. b.30,000 volts OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. One hand drill was not grounded, and the other had no safety plate. Dust [, Use all equipment according to the manufacturer's instructions. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. b.Rod 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. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. d.Metal, Over half of all deaths caused by electricity result from contact with ________. 0000001908 00000 n 2. Select the correct answer and then click DONE. 2.Loss of muscle control hazard or that their employer is not following OSHA's rules. How will she choose the correct cord? 2.Loose screws [29 CFR 1926.416(a)(1)]. a.Two-prong plug B. (D) None of the above. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Use tools and equipment according to the instructions included in their listing, labeling or certification. H\n0)M) 0Ir(,?FoKhdklz6zHG;mOqOh-tv.]NGv~d.m\S{|Fo-x-\"1X/niCYeq"ol8D~&?Kr V_/9yf 9JV%J899s{_G#R0="dL5,p: 4,600. 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. Electric current cannot exist without an unbroken path to and from the conductor. 0000001604 00000 n 0000004274 00000 n 1. OSHA 29 CFR 1910.147 . Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. 3. 0000004946 00000 n 2. Burns. RZyd Is split c.The outlet. 1.Missing 4. OSHA 10 General Industry Test Answer Key WALKING. Best practices with power lines include: 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. b.The tool's power cord. c. No, because the electricity is needed on a long-term basis. The ground wire was not attached on the male end of the cord's plug. An employee was texturing a wall using an air compressor. HWMo#7v#h>6,Z4- 1 0 obj 4.Circuit breakers, When inspecting power tools, look for: 0000055319 00000 n 0000001814 00000 n What three things must be present for a current to flow through a conductor. A. wrap tape around the damaged spot to prevent electrical shocks. %PDF-1.4 % _.9u'2G_0 Ue]e"x5|Y 4.Broken. Hand-operated metal shifting ropes or cables of electric elevators. -Falls. 2.Placed along a wall. De-energize and ground lines when working near them. Examples of Equipment That Can Contact Power Lines. 0000003640 00000 n When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Quiz Question 2: Which is acceptable when using powdered tools? Arc Flash. 0000002479 00000 n 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. If a defective power tool gives you an electric shock, how might your muscles react? 0000021516 00000 n 4. Regarding hand protection employers should: A. Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Death. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Extension cords may become a trip hazard when: 0000006866 00000 n Bob is asked to repair some overhead wiring, requiring the use a ladder. Use non-conductive wood or fiberglass ladders when working near power lines. The NEC C. Suggestions 2.Loose bolts Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. Question 2: Which of the following is NOT a category of electrical burns? 1. d. 411, You are working with a 10-foot section of a conductive pipe near power lines. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. Easy to identify 2.Using extension cords or electrical tools properly. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. d.Water, Other electrical hazards in the workplace include: s\A0W+ endobj 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. Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. 1.Clench a. Improper Use of Extension and Flexible Cords. Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? Should Ajay use a GFCI? Ground all power supply systems, electrical circuits, and electrical equipment. 1. Unless you know otherwise, assume that overhead lines are energized. 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. When current travels through your body - Definition of electric shock. 128 0 obj <> endobj xref 128 26 0000000016 00000 n As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 2. Electrical safety quiz answers are given below. Question 4: Which of the following is a type of burn caused by electrical hazards? Select the correct answer and then click DONE. As she is adding in the chemicals, her hand touches the motor and it becomes energized. 30 days B. Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, 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., When does electricity become hazardous to humans? Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. 0000003254 00000 n gYpV:+ D. Have an ANSI sticker and an expiration date. Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. :$#k9BPnZ{Qqe/reKy,'ZlB# qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Safe operation of hand and portable powered tools and other hand-held equipment. Of the following choices, which are frequent electrical hazards Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) -Current= the movement of electrical charge. Occupational Safety & Health Administration, Death Due to Lack of Ground-Fault Protection, Deaths Due to Missing or Discontinuous Path to Ground, Deaths Due to Equipment Not Used in Manner Prescribed, Deaths Due to Improper Use of Extension and Flexible Cords, Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Improper use of extension and flexible cords, Electrical Safety: Safety and Health for Electrical Trades Student Manual, ground-fault circuit interrupters (GFCI)s, assured equipment grounding conductor program (AEGCP), Electricity and Tree Care Work A Deadly Combination, Working Safely Around Downed Electrical Wires, Electrical Safety Hazards of Overloading Cable Trays, Small Business Safety and Health Handbook, Fire Fighters Exposed to Electrical Hazards During Wildland Fire Operations, Fatality Assessment and Control Evaluation (FACE) Program, NIOSH Face Reports Indexed by Industry or Cause of Fatality, Worker Deaths by Electrocution: A Summary of Surveillance Findings and Investigative Case Reports, Severe Storm and Flood Recovery Assistance. D 600v. 0000001896 00000 n The source of the shocks -- the saw -- was not replaced. d.Alert workers of any water in the area, GFCI is an acronym for: Extension cords had poor splices, no grounds, and reversed polarity. Which of the following part of you body can burn if you come in contact with electricity? When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. 1.Is firmly connected 4.Must be replaced, Always use a GFCI: B. outdoors. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 1.Fingernails 0000012944 00000 n Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. The auger then fell across the other worker, the 24-year-old victim. The factors that determine the severity of an electrical injury include: a.Standing in water c. Extend the reach of the power tool. 4. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Cardiac arrest or death - A result of electrical shock. b. Using tools and equipment that can contact power lines increases the risk. 0000005520 00000 n stream Select the choices that accurately define the common electrical term. 3 0 obj 0000003771 00000 n b) Staples In which of the following workplace situations are you at risk for coming into contact with live electrical . Identify the oxidizing and reducing agents. c.Touching the motor a) Door or window edges 4. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 3.Vapor Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 0000002557 00000 n 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! The laborer, who was wearing leather gloves, received an electric shock and dropped the wire reinforcement, which fell across the power line and simultaneously contacted the metal rail of the scaffold, energizing the entire scaffold. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. b+t6W' te+.W_{8u7Dt@1c. A) 120v . This may damage your equipment and cause employee injuries. Post warning signs. 0000007116 00000 n 1.Flammable liquids Determine duration, frequency, degree of exposure to hazards and physical stress. As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+