<>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Select the correct answer and then click DONE. OSHA 10 General Industry Test Answer Key WALKING. 1.Cuts Quiz: Electrical Hazards. Potential hazards of electricity are preventable if you do which of the following listed below? Examples of Equipment That Can Contact Power Lines. The victim used two extension cords to supply power: a home-made cord plugged into an ungrounded receptacle on the pole, and a UL-approved cord extending from the homemade cord to the saw. 0000420887 00000 n When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. Use only equipment that is approved to meet OSHA standards. Is split 0000004946 00000 n Is the west coast of Africa a plate boundary? He plans to use it over a period of at least six months. Continually audit cords on-site. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 2.Using an aluminum ladder when the possibility exists for contact with electricity. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 30 days B. Freeze The ground wire was not attached on the male end of the cord's plug. Draw a line from the item on the left that corresponds to the match on the right. A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. Remove cords from receptacles by pulling on the plugs, not the cords. Switch Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. he most common shock-related injuries are: Provide a safe path to earth ground for electricity. 0000004208 00000 n Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. xref Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. 0000007116 00000 n 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. Yes, because he will be using electricity near water. 0000001896 00000 n Equipment used in manner prescribed. a.311 3. Get All Answers to OSHA 30 Construction Final Exam. c.911 q>NmnLNmb$"Iyx1bD9.~Ll. 1.Flammable liquids B 208v. 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Lx*jWP# /c2)|]NXqAx>=~'[ (3,2,1), (5,4,3). Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. b.Yes, because Bob was on . A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 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. [. (E) a, b, and c. 2. %PDF-1.4 % View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 3.Body tissue In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 0000004884 00000 n 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. Additionally, the ground prong was missing and there was no GFCI protection. 1. a.Ground Fault Circuit Insulator 0000068035 00000 n While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. 1.Is firmly connected Determine duration, frequency, degree of exposure to hazards and physical stress. Isolating, Power lines may be located underground. 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. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 2.Placed along a wall. 1476 0 obj <>stream Test your knowledge with our electrical safety quiz below. b) Staples -Severe skin burns. %%EOF OSHA 29 CFR 1910, Subpart P . Improper Use of Extension and Flexible Cords. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. h|UnH}+i-. 0000055319 00000 n a.Your thumb. 0000002122 00000 n 4.No, because he does not need to use an extension cord. lex has set up a mobile engine testing station in the maintenance area. High humidity 2.Loose bolts 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 2.Something to transport the electrical current -- A conductor. 0000005632 00000 n b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 2.The person's physical condition 0000013716 00000 n 0000001861 00000 n Electrical hazards are life threatening incidents that could happen due to electricity. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 0000008392 00000 n s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW` { endstream endobj 191 0 obj [/ICCBased 211 0 R] endobj 192 0 obj <> endobj 193 0 obj <> endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <>stream 4 0 obj OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. a.Two-prong plug Then answer the questions below. You need to evaluate the situation you are in and assess your . a.Yes, because the electrical shock caused the fall. Best practices with power lines include: xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. 0000002557 00000 n As she is adding in the chemicals, her hand touches the motor and it becomes energized. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Select the choices that accurately define the common electrical term. Electric current cannot exist without an unbroken path to and from the conductor. 4 0 obj 0000017163 00000 n b) By supplying GFCIs, or ground-fault circuit interrupters She finds several available in the shop. How might this event affect the ability of animals to obtain energy to live? b.Shut off power within five minutes of the imbalance 4.The amount of current, An electrical burn may affect: Extension cords are used to: Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. A co-worker disconnected the power cord to the saw, too late to save the victim. Is not painted over 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. <> 0000012944 00000 n d. heart attacks. 1.The humidity of the environment 4.Running through doorways. Select the correct answer and then click DONE. c) Age specifically addresses electrical protective devices. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. 0000001604 00000 n Should he use an extension cord to power it? 0000002385 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. 2.Is working properly b+t6W' te+.W_{8u7Dt@1c. -Damage to internal organs. Select the correct answer and then click DONE. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. If the power supply to the electrical equipment at your site is not grounded or the path has been broken, fault current may travel through a worker's body, causing electrical burns or death. Underground electrical hazards are: A. What is the output of the program in Exercise 17, if first = 26 and second = 8? 0000004793 00000 n c. Extend the reach of the power tool. Latoya is using a mixing motor to mix pool chemicals in a plastic drum. Electrical Contractors Industry. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. d.50,000 volts. An employee was texturing a wall using an air compressor. 3. -Current= the movement of electrical charge. Question 1: Which of these is a type of Ground Fault Circuit Adapter? Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. 2. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 2.Grounding %PDF-1.4 % 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. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. 0000005050 00000 n A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. 1. c.Guaranteed Fault Circuit Interrupter a.Standing in water Hand-operated metal shifting ropes or cables of electric elevators. A measure of the energy of motion of the particles in a substance is its _____. 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. 0000002150 00000 n c.Power lines 4. 1. 0000420277 00000 n 3. <>>> b. The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. Which group would be more accurate when used in an accelerating spaceship? endobj Cardiac arrest or death - A result of electrical shock. OSHA 29 CFR 1910, Subpart S . Before using the equipment, be sure that the ground wire: Be sure equipment that has been shop fabricated or altered is in compliance. Quiz Question 2: Which is acceptable when using powdered tools? b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Ajay needs to use a dewatering pump to drain standing water on a construction site. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Work performed on an electrical system within reaching distance of energized components is_____work. Power was supplied through two extension cords from a nearby residence. Overview. 0000000016 00000 n The contact lasts for 5 seconds before someone is able to shut off the power. ZR)!=w|; @uT C0? 4. 0000422244 00000 n The auger then fell across the other worker, the 24-year-old victim. One hand drill was not grounded, and the other had no safety plate. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . %PDF-1.5 3.Something that causes current to flow through the . 2. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: 0000001814 00000 n Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? 3. b.Metal Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Does the fall qualify as an electrical accident? endobj endobj <<7628BB2D46738F42B2FC6393656F4718>]>> Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . c. No, because the electricity is needed on a long-term basis. c. Match the color of the tool to the color of the extension cord. Does the fall qualify as an electrical accident? 2. He yelled for his co-workers to disconnect the power, which they did. Intentionally creating a low-resistance path that connects to the earth. 1. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 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. What was Latoya's first mistake? Should Ajay use a GFCI? B. outdoors. The floor is covered in water and she is barefoot. 0000002195 00000 n d.A power tool, A GFCI is designed to: When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000004921 00000 n 0000003771 00000 n Unless you know otherwise, assume that overhead lines are energized. Water Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. 0000011060 00000 n One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. a. Of the following choices, which are frequent electrical hazards 0000007694 00000 n Ground all exposed metal parts of equipment. Both could have prevented the accident from occuring. B. 5 feet Arc Flash. 0000414648 00000 n 1.Damaged cover or insulation If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 2.Yes, because he is using a portable power tool. 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. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Which of the following can be the result of electric shock? Select the correct answer and then click DONE. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. The source of the shocks -- the saw -- was not replaced. Which of the following part of you body can burn if you come in contact with electricity? She has an older drill with a steel housing and a 3-prong plug. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. )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'. 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. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. In which of the following workplace situations are you at risk for coming into contact with live electrical . 2.Loss of muscle control uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. It's okay to use extension cords with worn insulation, as . 0000108653 00000 n Any cords found not to be marked for hard or extra-hard use, or which have been modified, must be taken out of service immediately. 0000110659 00000 n Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 1.Fingernails % Select the correct answer and then click DONE. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. Visually inspect all electrical equipment before use. c.falls. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? stream Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs 0000000816 00000 n 0000420564 00000 n c.15 feet The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. % [, Do not modify cords or use them incorrectly. HJ=S~68438IR/:VR C Y<7H*$F>ya)N1bTa+'OdzydV9QS]b{}(=q?pH,mt8{Ag ]wp?2N$AfnhBL!jV=6ho)5jA8H`Bkh{T[v\G%b|4| Eo*cF ]TBGjB[r6)WzCkQ;Bx(]*JG;&o0TV.P=s4Gs(&e~}j76,-6at$]r**-I!o66PqK.z "*D De-energize and ground lines when working near them. 2. b.burns. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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). Muscular contraction and nerve damage occur; death likely. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. What is the minimum clearance distance you must maintain from the power lines? Electrical safety quiz answers are given below. 0000001495 00000 n . :$#k9BPnZ{Qqe/reKy,'ZlB# c.A measurement of electricity d.Water, Other electrical hazards in the workplace include: |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s [Flexible Cords and Power Tools]. Use tools and equipment according to the instructions included in their listing, labeling or certification. The victim was totally deaf in one ear and suffered diminished hearing in the other. c.Absorb any water around the area c.Wood In addition to contact with power lines, the top electrical hazards include: Extension cords had poor splices, no grounds, and reversed polarity. The accident site was wet; also, humidity was high and the victim was sweating. ( @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ Use only cords, connection devices, and fittings that are equipped with strain relief. Look for overhead power lines and buried power line indicators. d) All of the above. 0000002386 00000 n The victim collapsed into the lake and sank 4-1/2 feet to the bottom. stream 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. a.A small current 3.Needs to be reset c.40,000 volts 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. 3.Draped over equipment. 1.Is faulty D 600v. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. Use non-conductive wood or fiberglass ladders when working near power lines. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. Identify the oxidizing and reducing agents. 3.Clear 1.When you are using electricity near water The ________ keeps the electricity on its intended path through the conductor. c.Touching the motor 4.Must be replaced, Always use a GFCI: You should? He may have dropped the extension cord at the site and not heard the connector break. 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 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 Match the length from job to outlet. (B) Switch sticks. Dust SECTION #4 | Participant Guide 2 Electrical Safety mELECTRICAL SAFETYm mACTIVITY 1 - GROUNDINGm In your small group, read fact sheets A and B, and the following scenario.

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