4.Cardiac arrest 0000003603 00000 n 1.Pain A) Identify; Castigate; C) Evaluate; D) Modify; 3. 0000003413 00000 n On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. 0000010603 00000 n 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. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 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. 3. Select the choices that accurately define the common electrical term. c. No, because the electricity is needed on a long-term basis. 0000012944 00000 n 2.Flooding -Voltage= a measure of electrical force. Other protective measures include guarding or insulating the lines. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. 0000089142 00000 n 0000110659 00000 n Before work began, the company safety director made sure that insulated line hoses were placed over sections of the the power line near the jobsite and that a safety clearance zone was marked off for arriving cement trucks. If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. 0000000816 00000 n 2.Using an aluminum ladder when the possibility exists for contact with electricity. 0000002876 00000 n d.Metal, Over half of all deaths caused by electricity result from contact with ________. Muscular contraction and nerve damage occur; death likely. Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. 2 0 obj 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. An 18-year-old worker at a construction site was electrocuted when he touched a light fixture while descending from a scaffold for his afternoon break. c) Age 0000018681 00000 n 0000420887 00000 n c. Extend the reach of the power tool. 4.Combustible dust, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer. Best Practices with Power Lines 1. H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 1.Fingernails b. Deductive objects a.Extension cords Use only cords, connection devices, and fittings that are equipped with strain relief. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. In 2017, there were over ______________ electrical related violations cited by OSHA in the workplace. Extension cords are used to: OSHA will keep all identities confidential. Do not remove ground prongs from cord- and plug-connected equipment or extension cords. If you are touching any grounded material while using a power tool [, Use all equipment according to the manufacturer's instructions. d.Alert workers of any water in the area, GFCI is an acronym for: She finds several available in the shop. 0000420564 00000 n 0000001604 00000 n 1.Cuts RZyd q>NmnLNmb$"Iyx1bD9.~Ll. What do tripped circuit breakers and blown fuses indicate? Use tools and equipment according to the instructions included in their listing, labeling or certification. Yes, because he will be using electricity near water. Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. Which of the following can be the result of electric shock? Hazards are created when cords, cord connectors, receptacles, and cord- and plug connected equipment are improperly used and maintained. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. a) Door or window edges b.Metal Intentionally creating a low-resistance path that connects to the earth. (D) None of the above. b.30,000 volts 0000006893 00000 n 1. (E) a, b, and c. 2. 2. The following references aid in recognizing hazards associated with electrical work. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire 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. The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. Question 2: Which of the following is NOT a category of electrical burns? 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. 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. %PDF-1.5 A worker was operating a " electric chisel when an electrical fault occurred in the casing of the tool, causing him to be fatally electrocuted. 0000001731 00000 n 4.Flex 4.Running through doorways. -Falls. Use only extension cords that are 3-wire type. 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. a.Electricity He yelled for his co-workers to disconnect the power, which they did. 3. 5. Using cords or tools with worn insulation or exposed wires. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Both could have prevented the accident from occuring. (3,2,1), (5,4,3). NFPA 70E defines those special circumstances and sets rigid electrical safety limits on voltage exposures, work zone boundary requirements and necessary personal protective equipment (PPE). Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? Electric current cannot exist without an unbroken path to and from the conductor. a. He may have dropped the extension cord at the site and not heard the connector break. 0000056642 00000 n and more. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. . To be safe, you must think about your job and plan for hazards. 0000414648 00000 n 0000003715 00000 n OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 0000005716 00000 n Select the correct answer and then click DONE. 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). If a defective power tool gives you an electric shock, how might your muscles react? [Flexible Cords and Power Tools] If there is no ground-fault protection, these can cause a ground-fault that sends current through the worker's body, resulting in electrical burns, explosions, fire, or death. Use non-conductive wood or fiberglass ladders when working near power lines. 4.Must be replaced, Always use a GFCI: endobj 4. 3 0 obj _5JKy. The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. Is not painted over 2.Loose bolts Effective means of controlling power line hazards include: s\A0W+ 1.Is firmly connected 0000007741 00000 n 0000002122 00000 n Check your employee's electrical safety knowledge through an electrical safety quiz. 0000014257 00000 n 1.The humidity of the environment One handle has a deadman's switch. How will she choose the correct cord? A. indoors. Draw a line from the item on the left that corresponds to the match on the right. 0000017163 00000 n 3.When you are using portable power tools Determine duration, frequency, degree of exposure to hazards and physical stress. b) Staples Test your knowledge with our electrical safety quiz below. The ground wire was not attached on the male end of the cord's plug. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 3.No, because he will not be touching any grounded material when using the tool. Protection is lost because it will not trip when the system's load has been exceeded. 3.Draped over equipment. 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. 3.The length of time the body is in contact with electricity Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Ground all exposed metal parts of equipment. 1. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 2. stream 0000007464 00000 n 4 0 obj Select the correct answer and then click DONE. qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? <>>> A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 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. 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). Quiz Question 9: Conductor insulation must be approved for the ___________ of use? Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . a.Two-prong plug 0000002195 00000 n Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 0000003771 00000 n a.Your thumb. Unless you know otherwise, assume that overhead lines are energized. a.311 Isolating, Power lines may be located underground. A fault occurred, and with no grounding and no GFCI protection, the worker was electrocuted. a.Yes, because the electrical shock caused the fall. If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. 2.Loose screws Most of the hydrides of Group 1A and Group 2A metals are ionic. 0000001116 00000 n Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. 2.Is working properly HWMo#7v#h>6,Z4- 3. b.Not wearing insulating shoes or boots when she was handling electrical equipment 0000007116 00000 n a. Gaseous matter When current travels through your body - Definition of electric shock. 0000427811 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. B. 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. BE SAFE! 0000004274 00000 n 0000002385 00000 n xYmo -ER/&@[D,_! 0000008392 00000 n 3.Something that causes current to flow through the . hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l c.Wood 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 d. Power outlets, ________ are anything that can transmit electrical current. (b) The same reaction can also be classified as a redox reaction. Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. Should he use an extension cord to power it? b.811 0000000816 00000 n 0000015549 00000 n 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. startxref ZR)!=w|; @uT C0? Quiz Question 2: Which is acceptable when using powdered tools? 3.Tears b.Rod Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 1. When an electric shock occurs, your muscles may: 0000108653 00000 n The following are electrical hazards: Shock. Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. What is the primary purpose of properly grounding equipment? View Answer Answer: 600v 4 . OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp Wearing a baseball cap 2. hazard or that their employer is not following OSHA's rules. 0000009628 00000 n OSHA 29 CFR 1910.147 . Using multi-receptacle boxes designed to be. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Which of the following can be caused by exposure to an arc flash? -Current= the movement of electrical charge. a.A small current 1.Missing trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 2. 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. The most dangerous place to use electrical equipment is? Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Should Ajay use a GFCI? Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Is the west coast of Africa a plate boundary? Question 1: Which of these is a type of Ground Fault Circuit Adapter? Quiz Question 1: Which of the following is not a category of electrical burns? Besides personal bodily injury, what other electrical hazards can be found in the workplace? It's okay to use extension cords with worn insulation, as . Which of the following are insulators of electricity? 0000002557 00000 n He plans to use it over a period of at least six months. 0000057373 00000 n 2.Something to transport the electrical current -- A conductor. 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: <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> h|UnH}+i-. @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ [Flexible Cords and Power Tools]. c.Power lines Select the correct answer and then click DONE. 0000420277 00000 n c.Guaranteed Fault Circuit Interrupter a.Supply power for tools or equipment on a temporary or short-term basis. In addition to contact with power lines, the top electrical hazards include: 4.Circuit breakers, When inspecting power tools, look for: 3.Loose nuts 1452 25 Dust d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Water This is action is also known as creating or completing an electrical circuit. 0000002733 00000 n Match the length from job to outlet. d.Adapter, What is a GFCI? 1. 1476 0 obj <>stream %PDF-1.4 % 4.Broken. 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. 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. using a 30-amp breaker in a system with 15- or 20-amp receptacles. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. When he grasped the handle of the bucket to pull it down, the crane cable came into contact with the overhead line. What factors determine the severity of Dirk's injuries? 4,600. 3.ack of ground fault protection. 0000001908 00000 n Select the correct answer and then click DONE. b.The tool's power cord. a) Ensure overhead power line safety 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. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. Best practices with power lines include: c.A measurement of electricity 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. 3.Cramp -Rubber. Ground all power supply systems, electrical circuits, and electrical equipment. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. [, Do not modify cords or use them incorrectly. a.Ground Fault Circuit Insulator 1.When you are using electricity near water 2. 5 feet 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 Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) %%EOF Electrical hazards are life threatening incidents that could happen due to electricity. b. b.Yes, because Bob was on . Equipment used in manner prescribed. True. endobj c.Absorb any water around the area Quiz: Electrical Hazards. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 0000004921 00000 n 4.No, because he does not need to use an extension cord. Burns. 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. Which group would be more accurate when used in an accelerating spaceship? A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. c. Inductive objects endobj Ajay needs to use a dewatering pump to drain standing water on a construction site. c.The outlet. b. 0000005520 00000 n 0000003640 00000 n 0000002403 00000 n Use only extension cords that are marked with a designation code for hard or extra-hard usage. When inspecting extension cords, look for: When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. It is important to note that NFPA 70E is a . Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 10,000 milliamps (10 amps) Cardiac arrest and severe burns occur. b) By supplying GFCIs, or ground-fault circuit interrupters Arc Flash. A) 120v . The victim was part of a crew that was constructing a concrete wall. 0000010155 00000 n A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: Carly needs to use an extension cord with her corded nail gun. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. She has an older drill with a steel housing and a 3-prong plug. Electrical Contractors Industry. 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. 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. In which of the following workplace situations are you at risk for coming into contact with live electrical . 0000004273 00000 n 4 0 obj A. wrap tape around the damaged spot to prevent electrical shocks. Additional minimum clearance distance is required for power lines carrying over ________. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Extension cords may become a trip hazard when: Select the correct answer and then click DONE. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 0000001672 00000 n d.50,000 volts. b.Electrical tools Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. The NEC C. Suggestions % Does the fall qualify as an electrical accident? 0000004965 00000 n De-energizing Select the correct answer and then click DONE. 0000068035 00000 n 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. B. outdoors. Improper Use of Extension and Flexible Cords. (A) Shotgun sticks. 4. 0000004686 00000 n Underground electrical hazards are: A. What is the most common, non-fatal, electrical shock-related injury? d.Add more outlets. b.A fast-acting switch monitoring current flow endobj An employee was texturing a wall using an air compressor. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 4.The amount of current, An electrical burn may affect: 2. Frequently inspect electrical systems to insure that the path to ground is continuous. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Which of the following are caused by contact with electricity? uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 0000022637 00000 n Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. Power was supplied through two extension cords from a nearby residence. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Apply a warning tag to any defective tool and do not use it until the problem has been corrected. SCENARIO: You encounter a co-worker on a residential remodeling job. 1.Flammable liquids 2.Placed along a wall. The workers had removed their shirts and were sweating. The victim was totally deaf in one ear and suffered diminished hearing in the other. ( |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s . C 277v. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream What is the output of the program in Exercise 17, if first = 26 and second = 8? b+t6W' te+.W_{8u7Dt@1c. 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 D. Have an ANSI sticker and an expiration date. Switch Select the correct answer and then click DONE. 0000003900 00000 n You should? When used on the moon? Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. Apparently, his hand contracted and he was "locked" to the saw. 3. gYpV:+ 3.Body tissue How fast would the ball be moving at the moment of release? 1.A source of electrical current to flow. 0000004884 00000 n 1.Missing or broken path to ground. 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 182 0 obj <> endobj xref 182 41 0000000016 00000 n 0000004793 00000 n Latoya is using a mixing motor to mix pool chemicals in a plastic drum. [. c.15 feet a.Yes, as it is a mobile engine testing station. 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 . Computers 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! 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. %PDF-1.4 % 1.Damaged cover or insulation Quiz Question 7: Which is not an insulator? A measure of the energy of motion of the particles in a substance is its _____. 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. OSHA Safety and Health Topics Page. Quiz Question 3: Power cords can be damaged by which of the following? 2. Look for overhead power lines and buried power line indicators. vpfuI)],s Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. Work performed on an electrical system within reaching distance of energized components is_____work. Remove cords from receptacles by pulling on the plugs, not the cords. 0000021516 00000 n 0000003254 00000 n OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. (C) Hot sticks. 128 0 obj <> endobj xref 128 26 0000000016 00000 n Question 3: If following lock out/tag out procedures, what step should be taken BEFORE you shut down the equipment? 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. 0000017336 00000 n Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. Select the correct answer and then click DONE. b.burns. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22.
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