As she is adding in the chemicals, her hand touches the motor and it becomes energized. c.The outlet. He may have dropped the extension cord at the site and not heard the connector break. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. specifically addresses electrical protective devices. 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? Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. 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. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 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. 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. 0000421920 00000 n 3.The length of time the body is in contact with electricity Explosion. 0000004884 00000 n b.burns. 2.Loose screws Wearing a baseball cap The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Electrical Safety Multiple Choice Questions and Answers for competitive exams. startxref Explosion Then answer the questions below. 0000002150 00000 n Frequently inspect electrical systems to insure that the path to ground is continuous. 0000002733 00000 n The source of the shocks -- the saw -- was not replaced. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). 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. Additionally, the ground prongs were missing from the two cords. 0000024814 00000 n Select the correct answer and then click DONE. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. D 600v. View Answer Answer: 600v 4 . d.Metal, Over half of all deaths caused by electricity result from contact with ________. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. 3.When you are using portable power tools Which of the following are electrical hazards? - Brainly.com 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: c.Guaranteed Fault Circuit Interrupter Potential hazards of electricity are preventable if you do which of the following listed below? 2.Something to transport the electrical current -- A conductor. -Damage to internal organs. 2.Loose bolts 3 0 obj OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. d.Alert workers of any water in the area, GFCI is an acronym for: 0000001646 00000 n Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Which of the following are insulators of electricity? Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. c.A measurement of electricity Electrical Safety Assessment Quiz Answers | ISHN Draw a line from the item on the left that corresponds to the match on the right. In which of the following workplace situations are you at risk for coming into contact with live electrical . 182 0 obj <> endobj xref 182 41 0000000016 00000 n A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. De-energizing c.Gasoline 0000004965 00000 n *Effects are for voltages less than about 600 volts. 1.Cuts [. 0000009628 00000 n 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. endobj a.311 You need to evaluate the situation you are in and assess your . Quiz Question 3: Power cords can be damaged by which of the following? Electrical Safety Quiz-Test Your Electrical Safety Knowledge 0000422244 00000 n 0000018681 00000 n 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. a.related to muscle damage. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp . Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Protection is lost because it will not trip when the system's load has been exceeded. Electrical Safety Quiz Electrical safety is an important topic that you and your workers need to know about. 1.Missing or broken path to ground. Select the correct answer and then click DONE. Select the correct answer and then click DONE. Improper Use of Extension and Flexible Cords. What type of burns are the result of current flowing through and exiting the body? 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. 0000004946 00000 n 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. Work performed on an electrical system within reaching distance of energized components is_____work. 0000005406 00000 n !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ c.Wood 4.No, because he does not need to use an extension cord. Electrical Hazards Electrical hazards can be found in nearly every roofing work site. a.Shut off power within a fraction of a second (3,2,1), (5,4,3). If you are touching any grounded material while using a power tool 2.Is working properly 0000003413 00000 n Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. 4. d. heart attacks. Does the fall qualify as an electrical accident? Power was supplied through two extension cords from a nearby residence. <> C. near water. d. 20 feet. stream BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 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. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. 0000002876 00000 n 0000001731 00000 n Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. Identify the oxidizing and reducing agents. 2.Placed along a wall. Select the correct answer and then click DONE. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. -Voltage= a measure of electrical force. 0000006152 00000 n OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. %PDF-1.5 d.50,000 volts. Which of the following are conductor of electricity? c.falls. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 2.Skin Used across walkways. Electrocution. 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. 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 C 277v. 0000010603 00000 n a.Supply power for tools or equipment on a temporary or short-term basis. Post warning signs. H. No GFCI's were used. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Select the correct answer and then click DONE. Hand-operated metal shifting ropes or cables of electric elevators. 2.Complete Additionally, the ground prong was missing and there was no GFCI protection. [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. c.Three-prong plug 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: The victim was totally deaf in one ear and suffered diminished hearing in the other. b+t6W' te+.W_{8u7Dt@1c. DHPP0MHLHIPPXc f2LXL"dgJ:@ ys`llr-shH,Y@Z 23J0a_TXD;X,;&0i,i&f&T8h R/ v`,l. 440!2D9482q={LPXs +( endstream endobj 129 0 obj <> endobj 130 0 obj <> endobj 131 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 132 0 obj <> endobj 133 0 obj <> endobj 134 0 obj <> endobj 135 0 obj <>stream The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. Freeze <> 0000055319 00000 n Water D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. 1.A source of electrical current to flow. 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 0 obj Which of the following factors determine how severe an electrical injury might be? What are the 4 main type of hazards? [Ultimate Guide!] Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. The following references aid in recognizing hazards associated with electrical work. 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. Question 1: Which of the following is a danger of electricity? 0000006866 00000 n Burns. 0000014257 00000 n 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. Only after a rescue squad arrived about 4 minutes later did anyone realize that the crane was in contact with a power line -- all those present had assumed that the victim had suffered a heart attack. Electrical Contractors Industry. Which of the following can be caused by exposure to an arc flash? 0000001814 00000 n He plans to use it over a period of at least six months. 0000028595 00000 n 0000004921 00000 n 0000002122 00000 n endobj 2.Using an aluminum ladder when the possibility exists for contact with electricity. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 0000002479 00000 n Select the correct answer and then click DONE. PDF OSHA Safety - Electrical Safety - Red Vector A 120v. 0000414648 00000 n You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. xYmo -ER/&@[D,_! Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. using a 30-amp breaker in a system with 15- or 20-amp receptacles. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? 3. Both could have prevented the accident from occuring. A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. PDF Electrical Safety - Occupational Safety and Health Administration Intentionally creating a low-resistance path that connects to the earth. Before using the equipment, be sure that the ground wire: Select the correct answer and then click DONE. 0000003603 00000 n Ground all exposed metal parts of equipment. Use only equipment that is approved to meet OSHA standards. [, Use all equipment according to the manufacturer's instructions. Select the correct answer and then click DONE. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . Safe operation of hand and portable powered tools and other hand-held equipment. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. Outlets 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. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. gYpV:+ 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. xref a. [, Do not modify cords or use them incorrectly. a. Gaseous matter %PDF-1.4 % Using tools and equipment that can contact power lines increases the risk. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 1. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> stream 0000004686 00000 n a.Two-prong plug a.Standing in water <<7628BB2D46738F42B2FC6393656F4718>]>> OSHA-10: Avoiding Electrocution Hazards Flashcards | Quizlet 30 days B. 2.The person's physical condition Question 2: Which of the following are ways . 1452 0 obj <> endobj When it completes a circuit through the body. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Is not painted over 1.Flammable liquids d.Constructive objects, Select all answers that apply to the following statement and then click DONE. 0000420564 00000 n [Power Tools]. 0000089142 00000 n Electricity will form a "path" or "loop". 2. A) 120v . OSHA 29 CFR 1910, Subpart P . 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. 1. 4.Circuit breakers, When inspecting power tools, look for: 0000001861 00000 n The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. Using cords or tools with worn insulation or exposed wires. 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 (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) d.A power tool, A GFCI is designed to: 2. 12 months C. 6 months D. Never Q23. Which of the following are insulators of electricity? The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . b.Ground Fault Critical Interrupter The workers had removed their shirts and were sweating. Most of the hydrides of Group 1A and Group 2A metals are ionic. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. Examples Of Electrical Hazards. To be safe, you must think about your job and plan for hazards. A. wrap tape around the damaged spot to prevent electrical shocks. <> :$#k9BPnZ{Qqe/reKy,'ZlB# Quiz: Electrical Hazards. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. If a worker has been retaliated against for using their rights, they 0000021516 00000 n endobj Electric current cannot exist without an unbroken path to and from the conductor. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 0000017163 00000 n Which of the following can be the result of electric shock? A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. b) Staples Question 3: A/an ____________ is a unit of measurement for electrical resistance. Remove cords from receptacles by pulling on the plugs, not the cords. Introduction To Osha Quiz Answers1) Which of the following activities 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: Question 4: Which of the following is a type of burn caused by electrical hazards? 1. 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