HWMo#7v#h>6,Z4- Stay at least 10 feet away from overhead power lines. 0000004965 00000 n 0000004793 00000 n Frequently inspect electrical systems to insure that the path to ground is continuous. How fast would the ball be moving at the moment of release? xYmo -ER/&@[D,_! Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. 0000002733 00000 n 1.Using a fiberglass ladder when the possibility exists for contact with electricity. Question 2: Which of the following are ways employers must protect their employees on the workplace? 0000110659 00000 n Best practices with power lines include: Question 2: Which of the following are ways . 0000004884 00000 n Electrical Safety Multiple Choice Questions and Answers for competitive exams. trailer <]/Prev 500768/XRefStm 1495>> startxref 0 %%EOF 222 0 obj <>stream c.The outlet. 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. 2.Placed along a wall. Before using the equipment, be sure that the ground wire: a.Your thumb. A) Identify; Castigate; C) Evaluate; D) Modify; 3. gYpV:+ 0000089142 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. (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. a.Supply power for tools or equipment on a temporary or short-term basis. 128 0 obj <> endobj xref 128 26 0000000016 00000 n Of the following choices, which are frequent electrical hazards 2.Something to transport the electrical current -- A conductor. A) 120v . 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. a.Ground Fault Circuit Insulator Isolating, Power lines may be located underground. Test your knowledge with our electrical safety quiz below. *Effects are for voltages less than about 600 volts. 3.Tears Electrocution. Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. 3. b.Electrical tools Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Death. <<7628BB2D46738F42B2FC6393656F4718>]>> 1476 0 obj <>stream 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. 0000014257 00000 n A. wrap tape around the damaged spot to prevent electrical shocks. Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. 1.When you are using electricity near water Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. What is the output of the program in Exercise 17, if first = 26 and second = 8? d. Match the outlet prongs to the extension cord. d.Ground Fault Circuit Interrupter, : Another electrical hazard that can cause injury or death in the workplace is a ________ path to ground. (b) The same reaction can also be classified as a redox reaction. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. Which of the following part of you body can burn if you come in contact with electricity? Does the fall qualify as an electrical accident? 0000007694 00000 n 0000005734 00000 n 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. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. 3. Which of the following are insulators of electricity? No GFCI's were used. Electricity will form a "path" or "loop". %PDF-1.5 0000024814 00000 n 3. 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 a. Gloves used for electrical work must be inspected and tested prior to use, and be certified every: A. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). 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. 0000004921 00000 n 0000012360 00000 n 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 lex has set up a mobile engine testing station in the maintenance area. It's okay to use extension cords with worn insulation, as . Electrical safety quiz answers are given below. 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). When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! 4 0 obj 2.Is working properly -Grounding= a conductive connection to the earth which acts as a protective measure. True. Identify the oxidizing and reducing agents. Get All Answers to OSHA 30 Construction Final Exam. Select the correct answer and then click on DONE. c.15 feet If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________. 1.Flammable liquids She has an older drill with a steel housing and a 3-prong plug. stream b.Ground Fault Critical Interrupter d.A power tool, A GFCI is designed to: b) Staples 2.Loss of muscle control Hand-operated metal shifting ropes or cables of electric elevators. 2.Grease 0000018681 00000 n 0000420277 00000 n High humidity 0000015549 00000 n Select the correct answer and then click DONE. 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. One handle has a deadman's switch. endobj Fire Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 0000002876 00000 n Electrical Hazards Electrical hazards can be found in nearly every roofing work site. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 4 0 obj Using tools and equipment that can contact power lines increases the risk. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. 3.When you are using portable power tools (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) Latoya is using a mixing motor to mix pool chemicals in a plastic drum. It is important to note that NFPA 70E is a . A 120v. 0000011060 00000 n a.Yes, because the electrical shock caused the fall. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. <>>> Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. c.A measurement of electricity Select the correct answer and then click DONE. Carly needs to use an extension cord with her corded nail gun. Which of the following can be caused by exposure to an arc flash? When used on the moon? The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. 2.Yes, because he is using a portable power tool. OSHA 29 CFR 1910.147 . Select the correct answer and then click DONE. 1.Missing Extension cords are used to: Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Frames of non-electrically driven elevator cars to which electric conductors are attached. Which of the following are caused by contact with electricity? Visually inspect all electrical equipment before use. Which of the following are conductor of electricity? As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. Dust 1.Is firmly connected xref 3.Something that causes current to flow through the . Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? 3.Clear Ajay needs to use a dewatering pump to drain standing water on a construction site. d) All of the above. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g.
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