1.Flammable liquids b.Yes, because Bob was on . Select the correct answer and then click DONE. Stay at least 10 feet away from overhead power lines. 0000427811 00000 n 0000003413 00000 n a.Your thumb. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. Is the west coast of Africa a plate boundary? he most common shock-related injuries are: 0000002150 00000 n 0000003254 00000 n As she is adding in the chemicals, her hand touches the motor and it becomes energized. s\A0W+ a. 0000002479 00000 n Does the fall qualify as an electrical accident? He yelled for his co-workers to disconnect the power, which they did. Select the correct answer and then click DONE. 1. 0000002733 00000 n b.Metal 0000004444 00000 n a.Ground Fault Circuit Insulator 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. When used on the moon? 2.Grounding 0000009628 00000 n Most of the hydrides of Group 1A and Group 2A metals are ionic. Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. Besides personal bodily injury, what other electrical hazards can be found in the workplace? 0000005042 00000 n ZR)!=w|; @uT C0? Outlets While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. c.falls. 0000001495 00000 n As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. %PDF-1.4 % c.Touching the motor Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. vpfuI)],s 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. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp hazard or that their employer is not following OSHA's rules. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? (3,2,1), (5,4,3). uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. All of the following are essential considerations for the safe use of cords and wiring EXCEPT: Which one of these methods is not acceptable for putting out an electrical fire? Which of the following can be the result of electric shock? When does electricity become hazardous to humans? Select the correct answer and then click on DONE. Intentionally creating a low-resistance path that connects to the earth. What do tripped circuit breakers and blown fuses indicate? 1.When you are using electricity near water 2 0 obj a.Conductive objects Be sure equipment that has been shop fabricated or altered is in compliance. 1.A source of electrical current to flow. Safe operation of hand and portable powered tools and other hand-held equipment. Cardiac arrest or death - A result of electrical shock. 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). d.Metal, Over half of all deaths caused by electricity result from contact with ________. What is the most common, non-fatal, electrical shock-related injury? Should he use an extension cord to power it? 182 0 obj <> endobj xref 182 41 0000000016 00000 n 1452 25 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. Equipment used in manner prescribed. c.15 feet If the electrical conductors become exposed, there is a danger of shocks, burns, or fire. Using tools and equipment that can contact power lines increases the risk. 4.Circuit breakers, When inspecting power tools, look for: If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. He may have dropped the extension cord at the site and not heard the connector break. Wearing a baseball cap Dust 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. c. Inductive objects Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 0000005716 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: Using the wrong light bulb wattage; Overloading power strips and outlets; Unprotected electrical outlets; Poor wiring; Defective electrical wires [29 CFR 1926.416(a)(1)]. OSHA CONSTRUCTION FINAL EXAM Question and Answer Part 10. ly/homeo3b700 Which of the following is a resource within the. 4.Must be replaced, Always use a GFCI: 0000004793 00000 n 4.The amount of current, An electrical burn may affect: b. Deductive objects ( Muscular contraction and nerve damage occur; death likely. 0000089142 00000 n Switch c.Guaranteed Fault Circuit Interrupter Death is probable. The floor is covered in water and she is barefoot. [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. D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. -Current= the movement of electrical charge. Examples Of Electrical Hazards. She has an older drill with a steel housing and a 3-prong plug. 5. 4,600. 1 0 obj 0000005406 00000 n 1. 3.Draped over equipment. 0000002195 00000 n Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. Electrical Safety Multiple Choice Questions and Answers for competitive exams. Bob is asked to repair some overhead wiring, requiring the use a ladder. D. Have an ANSI sticker and an expiration date. a. If a defective power tool gives you an electric shock, how might your muscles react? 0000421920 00000 n c. Extend the reach of the power tool. 1. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. 3.The length of time the body is in contact with electricity 2.Yes, because he is using a portable power tool. 0000001672 00000 n 0000006866 00000 n 4. 0000004274 00000 n Co-workers provided CPR, but were unable to revive the victim. Fire Metal partitions, grill work, and similar metal enclosures around equipment of over 1kV between conductors. d.50,000 volts. a.Yes, as it is a mobile engine testing station. startxref Electrical safety quiz answers are given below. 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 1452 0 obj <> endobj Power was supplied through two extension cords from a nearby residence. endobj Is split View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. Question 1: Which of these is a type of Ground Fault Circuit Adapter? %%EOF 0000013716 00000 n Which group would be more accurate when used in an accelerating spaceship? 4. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Freeze 0000001646 00000 n Death. 0000419562 00000 n Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. Apparently, his hand contracted and he was "locked" to the saw. 3.When you are using portable power tools Is not painted over endobj Quiz Question 1: Which of the following is not a category of electrical burns? <> a.Standing in water 0000017336 00000 n 4.Cardiac arrest Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. c.Wood 0000000016 00000 n Select the correct answer and then click DONE. c.Three-prong plug Select the correct answer and then click DONE. OSHA Safety and Health Topics Page. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? The modification of the plug was not an intended use or prescribed by the manufacturer. Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [, Frames and tracks of electrically operated. Select the correct answer and then click DONE. 4. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 0000007464 00000 n (B) Switch sticks. Which of the following part of you body can burn if you come in contact with electricity? The presence of ______ can turn you, your equipment, or insulators like wood, into conductors. 0000003640 00000 n 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. Arc Flash. Look for overhead power lines and buried power line indicators. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Overview. gYpV:+ Effective means of controlling power line hazards include: 0000007116 00000 n d.A power tool, A GFCI is designed to: Quiz: Electrical Hazards. a.311 0000022637 00000 n Computers 2.Grease The following are electrical hazards: Shock. c. No, because the electricity is needed on a long-term basis. 0000006152 00000 n A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. 0000010155 00000 n d. heart attacks. . One handle has a deadman's switch. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? stream Frames of non-electrically driven elevator cars to which electric conductors are attached. Which of the following are insulators of electricity? 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.
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