which of the following are electrical hazards osha quizletwhat happened to mark reilly strong island
2.Placed along a wall. 0000004884 00000 n B. What type of burns are the result of current flowing through and exiting the body? [29 CFR 1926.416(a)(1)]. Electrical hazards are life threatening incidents that could happen due to electricity. Hand-operated metal shifting ropes or cables of electric elevators. 0000000816 00000 n Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. 12 months C. 6 months D. Never Q23. Determine duration, frequency, degree of exposure to hazards and physical stress. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. 4.Circuit breakers, When inspecting power tools, look for: These short objective type questions with answers are very important for competitive exams as well as Board exams. Quiz Question 2: Which is acceptable when using powdered tools? a. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Arc Flash. d) All of the above. Draw a line from the item on the left that corresponds to the match on the right. endobj 0000421627 00000 n 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. 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. a.Standing in water 4. BE SAFE! 0000000016 00000 n 1.A source of electrical current to flow. 0000001116 00000 n b.811 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). endobj x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 3.No, because he will not be touching any grounded material when using the tool. Question 1: Which of the following is a danger of electricity? B. outdoors. Use only equipment that is approved to meet OSHA standards. 1.Damaged cover or insulation a.Yes, as it is a mobile engine testing station. Underground electrical hazards are: A. 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. a.Ground Fault Circuit Insulator a.20,000 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. [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. Use only extension cords that are 3-wire type. 0000110659 00000 n 1452 25 d. Power outlets, ________ are anything that can transmit electrical current. Question 3: A/an ____________ is a unit of measurement for electrical resistance. 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. % xref Intentionally creating a low-resistance path that connects to the earth. 0000004274 00000 n The small electrical current enters his body through his left leg. What is the most common, non-fatal, electrical shock-related injury? Frequently inspect electrical systems to insure that the path to ground is continuous. Electricity becomes hazardous when it takes an unintended path to complete the ________. d.The body of the power tool. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. 3. 0000005632 00000 n Extension cords are used to: This is action is also known as creating or completing an electrical circuit. 4 0 obj Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. When current travels through your body - Definition of electric shock. 1. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 2.Grease Is the west coast of Africa a plate boundary? 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. [, Do not modify cords or use them incorrectly. -If current passes through the body near the heart or brain. c.Guaranteed Fault Circuit Interrupter Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? 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. <<7628BB2D46738F42B2FC6393656F4718>]>> 4. c.Gasoline Provides information about the hazards that electrical workers may experience as a part of their jobs. A. indoors. Use only extension cords that are marked with a designation code for hard or extra-hard usage. endobj c.Power lines Visually inspect all electrical equipment before use. 1.The humidity of the environment She has an older drill with a steel housing and a 3-prong plug. [. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. 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 As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. 4.The amount of current, An electrical burn may affect: Wearing a baseball cap c.Touching the motor In which of the following workplace situations are you at risk for coming into contact with live electrical . 0000000816 00000 n Yes, because he will be using electricity near water. 3.The length of time the body is in contact with electricity Question 1: Employers must ensure that every electric utilization system and all utilization equipment installed, majorly modified, or replaced after March 15, 1972, complies with the standards for electricity set by the National Fire Protection Association, which have been adopted by OSHA. Should Ajay use a GFCI? Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Select the correct answer and then click DONE. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. [Power Tools]. An employee was texturing a wall using an air compressor. 0000011060 00000 n When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. Cardiac arrest or death - A result of electrical shock. stream Get resources on specific hazards and their control, including identification, risk assessment and inspections, to keep your workplace healthy and safe. Frames of non-electrically driven elevator cars to which electric conductors are attached. C. near water. 0000028595 00000 n 1.Fingernails The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. 0000001908 00000 n Contact utilities for buried power line locations. Ground all exposed metal parts of equipment. A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. -Grounding= a conductive connection to the earth which acts as a protective measure. The contact lasts for 5 seconds before someone is able to shut off the power. c.Three-prong plug C 277v. 0000003603 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. 4.Broken. Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. Use tools and equipment according to the instructions included in their listing, labeling or certification. Effective means of controlling power line hazards include: a. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. Regarding hand protection employers should: A. 0000108920 00000 n Select the correct answer and then click DONE. 1 0 obj 2. 1.Is faulty Is not painted over Select the correct answer and then click DONE. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? 0 c.A measurement of electricity %PDF-1.4 % 0000005042 00000 n 1. Besides personal bodily injury, what other electrical hazards can be found in the workplace? a.Two-prong plug 1452 0 obj <> endobj a. Gaseous matter Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. 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? When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. c) Age c.15 feet 2.Complete Question 2: Which of the following are ways . c. No, because the electricity is needed on a long-term basis. 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 trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream 1.Cuts Using cords or tools with worn insulation or exposed wires. How might this event affect the ability of animals to obtain energy to live? Examples Of Electrical Hazards. The following references aid in recognizing hazards associated with electrical work. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. 30 days B. Select the correct answer and then click DONE. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 2.Is working properly While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. 0000002195 00000 n The victim signaled the operator of the crane to extend the boom and lower the hoist cable. a.Supply power for tools or equipment on a temporary or short-term basis. 2.Something to transport the electrical current -- A conductor. he most common shock-related injuries are: You should? a) Ensure overhead power line safety Apply a warning tag to any defective tool and do not use it until the problem has been corrected. b.Yes, because Bob was on . 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 . 0000004686 00000 n 1476 0 obj <>stream Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? True. 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). Outlets 1. . Extension cords may become a trip hazard when: 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. Test your knowledge with our electrical safety quiz below. 1. 1. 0000007427 00000 n c.Wood 0000021516 00000 n 2.The person's physical condition 0000055319 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. OSHA Safety and Health Topics Page. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB 4.No, because he does not need to use an extension cord. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. -Wood. 0000422244 00000 n Using a dry wood ladder when the possibility exists for contact with electricity. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: Use only cords, connection devices, and fittings that are equipped with strain relief. In addition to contact with power lines, the top electrical hazards include: A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. 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$]r**-I!o66PqK.z "*D b.burns. Does the fall qualify as an electrical accident? Quiz: Electrical Hazards. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. He plans to use it over a period of at least six months. trailer 0000004921 00000 n hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l De-energizing Which of the following are insulators of electricity? Out of several possible scenarios, the most likely was contact between the exposed wires of an extension cord and a screw that protruded from the receptacle, which had its face plate removed. 1.Flammable liquids OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. Looking for NFPA 70E Certification? b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. What do tripped circuit breakers and blown fuses indicate? 0000001861 00000 n c. Inductive objects [Flexible Cords and Power Tools]. Overview. Best practices with power lines include: 3.Something that causes current to flow through the . RZyd c.911 0000001495 00000 n d. No, because an extension cord would not provide enough power. Examples of Equipment That Can Contact Power Lines. Electrical current travels through insulated ________. When it completes a circuit through the body. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 3.Loss of eyesight View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. Fire <>>> Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Of the following choices, which are frequent electrical hazards 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp OSHA 29 CFR 1910, Subpart P . You need to evaluate the situation you are in and assess your . Carly needs to use an extension cord with her corded nail gun. _5JKy. When used on the moon? Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? b.The tool's power cord. c.The outlet. 0000003715 00000 n 0000004793 00000 n @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ
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