182 0 obj <> endobj xref 182 41 0000000016 00000 n 1. d.Water, Other electrical hazards in the workplace include: View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 0000001908 00000 n (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 4.Cardiac arrest b.The tool's power cord. trailer 0000420564 00000 n <> 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 of the following part of you body can burn if you come in contact with electricity? 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? 0000002386 00000 n 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: endobj *Effects are for voltages less than about 600 volts. 0000005632 00000 n He may have dropped the extension cord at the site and not heard the connector break. 0000005406 00000 n 0000419562 00000 n Which of the following are insulators of electricity? Question 2: Which of the following are ways . Select the correct answer and then click DONE. -Current= the movement of electrical charge. endobj <<7628BB2D46738F42B2FC6393656F4718>]>> 0000001495 00000 n 0000006866 00000 n 3. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Additionally, the ground prongs were missing from the two cords. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l [Flexible Cords and Power Tools]. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. 0000089142 00000 n 0000013999 00000 n Then answer the questions below. 4. b.Rod 0000056642 00000 n Extension cords may become a trip hazard when: %PDF-1.5 Select the correct answer and then click DONE. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Be sure equipment that has been shop fabricated or altered is in compliance. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ Electrical Safety Multiple Choice Questions and Answers for competitive exams. Quiz Question 7: Which is not an insulator? a) Ensure overhead power line safety c.40,000 volts Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. d.Alert workers of any water in the area, GFCI is an acronym for: Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. Using multi-receptacle boxes designed to be. 1. 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. 0000055319 00000 n A) 120v . 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. Water 4,600. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 2. H. Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. View Answer Answer: 600v 4 . 1. 4.Circuit breakers, When inspecting power tools, look for: 2.Is working properly OSHA requires the testing of a volt meter after a voltage test on voltage above_____. xYmo -ER/&@[D,_! Ajay needs to use a dewatering pump to drain standing water on a construction site. 2.Something to transport the electrical current -- A conductor. 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. 0000003715 00000 n ZR)!=w|; @uT C0? b. b) By supplying GFCIs, or ground-fault circuit interrupters c. No, because the electricity is needed on a long-term basis. 1.Cuts The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. %PDF-1.4 % Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 0000013716 00000 n 1. 0000002733 00000 n (B) Switch sticks. 0000002385 00000 n 0000009628 00000 n 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. RZyd 2 0 obj 0000008392 00000 n Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Electricity becomes hazardous when it takes an unintended path to complete the ________. 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. Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. b. Deductive objects Electrical Contractors Industry. If a worker has been retaliated against for using their rights, they Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. Yes, because he will be using electricity near water. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. b.Yes, because Bob was on . Electrical hazards are life threatening incidents that could happen due to electricity. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Draw a line from the item on the left that corresponds to the match on the right. endobj c. Match the color of the tool to the color of the extension cord. 3 0 obj 0000003603 00000 n Select the choices that accurately define the common electrical term. 128 0 obj <> endobj xref 128 26 0000000016 00000 n -Voltage= a measure of electrical force. Select the correct answer and then click DONE. Select the correct answer and then click DONE. Visually inspect all electrical equipment before use. The factors that determine the severity of an electrical injury include: 0000001646 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. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. 2. 0000014257 00000 n a. 3.No, because he will not be touching any grounded material when using the tool. 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). A) Identify; Castigate; C) Evaluate; D) Modify; 3. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. 0000002557 00000 n Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 0000012944 00000 n Burns. 0000002150 00000 n d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 0000001896 00000 n d) All of the above. Switch a.Two-prong plug Death is probable. SCENARIO: You encounter a co-worker on a residential remodeling job. Electrical safety quiz answers are given below. Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? d) All of the above. Look for overhead power lines and buried power line indicators. c.falls. 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. 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. Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? D. near other electrical equipment. (b) The same reaction can also be classified as a redox reaction. 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: Extension cords had poor splices, no grounds, and reversed polarity. 5. Which of the following are conductor of electricity? 3.Vapor Select the correct answer and then click DONE. %PDF-1.4 % The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 0000018681 00000 n 0000004686 00000 n 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. What factors determine the severity of Dirk's injuries? 2.Loose screws )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'. 2.Complete 3.Something that causes current to flow through the . Visually inspect all electrical equipment before use. Intentionally creating a low-resistance path that connects to the earth. 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. 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+ Which of the following can be the result of electric shock? 1.Damaged cover or insulation b.811 Overhead and buried power lines at your site are especially hazardous because they carry extremely high voltage. 0000005050 00000 n 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. -Damage to internal organs. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 0000003771 00000 n 0000010603 00000 n OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. Explosion. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. A 120v. 0000057373 00000 n She finds several available in the shop. Equipment used in manner prescribed. 0 Lockout/tagout procedures. Electric current cannot exist without an unbroken path to and from the conductor. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Using cords or tools with worn insulation or exposed wires. 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. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials.
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