Question 4: Which of the following is a type of burn caused by electrical hazards? a.Supply power for tools or equipment on a temporary or short-term basis. 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. -Rubber. How fast would the ball be moving at the moment of release? 2.Complete 0000089142 00000 n Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. When used on the moon? Which group would be more accurate when used in an accelerating spaceship? 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. c) Age Overview. OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Electrical - Overview | Occupational Safety and Health Administration d. 20 feet. Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . A 120v. PDF C. 4.Running through doorways. When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 1452 0 obj <> endobj 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Of the following choices, which are frequent electrical hazards B. outdoors. d. No, because an extension cord would not provide enough power. Use only extension cords that are marked with a designation code for hard or extra-hard usage. 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. )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'. 0000014257 00000 n Unless you know otherwise, assume that overhead lines are energized. d. Power outlets, ________ are anything that can transmit electrical current. H. 0000002876 00000 n 2 0 obj Switch Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. Explosion. A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. 0000013999 00000 n -Wood. D 600v. Looking for NFPA 70E Certification? 12 months C. 6 months D. Never Q23. Contact utilities for buried power line locations. 0000002150 00000 n endobj 0000002733 00000 n RZyd Introduction To Osha Quiz Answers1) Which of the following activities -Damage to internal organs. a. Gaseous matter Electrical Contractors Industry. 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). s\A0W+ x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q Electrical current travels through insulated ________. 0000004274 00000 n Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. %PDF-1.4 % Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow No GFCI's were used. What type of burns are the result of current flowing through and exiting the body? Carly needs to use an extension cord with her corded nail gun. 2.Loose bolts As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 5 feet %PDF-1.4 % -Voltage= a measure of electrical force. Intentionally creating a low-resistance path that connects to the earth. 2. Select the correct answer and then click DONE. 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. Identify the oxidizing and reducing agents. Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. 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. Which of the following are conductor of electricity? Which of the following are insulators of electricity? Select the correct answer and then click DONE. Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. 0000004965 00000 n 5.Twitch, Electrical shock may result in: d) All of the above. Select the choices that accurately define the common electrical term. b. 0000001646 00000 n 0000001116 00000 n Electrical Hazards Electrical hazards can be found in nearly every roofing work site. Lockout/tagout procedures. 4. c.Guaranteed Fault Circuit Interrupter He may have dropped the extension cord at the site and not heard the connector break. Select the correct answer and then click DONE. Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? 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 List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. Arc Flash. The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. Quiz Question 7: Which is not an insulator? Short Confined spaces Machinery-related hazards (lockout/tagout, boiler safety, forklifts, etc.) 1.Extension cords What three things must be present for a current to flow through a conductor. Draw a line from the item on the left that corresponds to the match on the right. Select the correct answer and then click DONE. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Bob is asked to repair some overhead wiring, requiring the use a ladder. 4 0 obj 0000007464 00000 n Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? Use non-conductive wood or fiberglass ladders when working near power lines. Short In Power Saw/Ungrounded Temporary Power Supply: On July 10, 1986, a 22-year-old carpenter was working at the construction site of large apartment complex, using a portable electric saw to construct the wooden framework of a laundry building. Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. 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 Additionally, the ground prong was missing and there was no GFCI protection. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. The NEC C. Suggestions a.related to muscle damage. To avoid injury or death, you must understand and recognize hazards. Is split Apply a warning tag to any defective tool and do not use it until the problem has been corrected. Match the length from job to outlet. (3,2,1), (5,4,3). Be sure equipment that has been shop fabricated or altered is in compliance. OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. 2. The source of the shocks -- the saw -- was not replaced. 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). 2. A) 120v . xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t Question 1: Each year, approximately __________ workers suffer from electricity related injuries. 0000420277 00000 n 3 0 obj OSHA Pros, LLC is an authorized provider of 360 Training, an OSHA-Accepted Provider, offering training and certification courses for NFPA 70E-Standard, and 0000001814 00000 n She has an older drill with a steel housing and a 3-prong plug. b.Yes, because Bob was on . <>>> 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! *Effects are for voltages less than about 600 volts. 0000004444 00000 n 4. 0000021516 00000 n a) Door or window edges 0000005632 00000 n d.Adapter, What is a GFCI? 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? Select the correct answer and then click DONE. Wearing a baseball cap Quiz Question 2: Which is acceptable when using powdered tools? 0000002557 00000 n c. No, because the electricity is needed on a long-term basis. 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. 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. Using tools and equipment that can contact power lines increases the risk. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. (E) a, b, and c. 2. 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: As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim.
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