Select the correct answer and then click DONE. What is the minimum clearance distance you must maintain from the power lines? A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. When it completes a circuit through the body. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. Using equipment outdoors that is labeled for use only in dry, indoor locations. 0000003900 00000 n Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. [. 0000108920 00000 n Isolating, Power lines may be located underground. OSHA 29 CFR 1910, Subpart S . Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. Select the correct answer and then click DONE. 0000000816 00000 n Improper Use of Extension and Flexible Cords. Potential hazards of electricity are preventable if you do which of the following listed below? Fatal electrocution is the main risk, but burns and falls from elevations are also hazards. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. a.Ground Fault Circuit Insulator 0000421627 00000 n 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. h|UnH}+i-. 0000001604 00000 n Electrocution was the second leading cause of worker deaths on construction sites in the United States in 2011. xref _.9u'2G_0 Ue]e"x5|Y b. Deductive objects 1. 3.ack of ground fault protection. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. 0000004965 00000 n The victim provided a path to ground and was electrocuted. specifically addresses electrical protective devices. c.Touching the motor 2.Grease Switch 4 0 obj qnde>9!.,T2 :hw5 #OaPxkx=y7]J-yv*'H$jmVCq$ sx:R2$9SY+D!!LJ:n+.\#Hu~2VI O? 2. 3. Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. [Power Tools]. Electrical safety quiz answers are given below. 0000001731 00000 n Select the correct answer and then click DONE. 0000002385 00000 n b.Not wearing insulating shoes or boots when she was handling electrical equipment Bob is asked to repair some overhead wiring, requiring the use a ladder. 15,000 milliamps (15 amps) Lowest overcurrent at which a typical fuse or circuit breaker opens a circuit! The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. These short objective type questions with answers are very important for competitive exams as well as Board exams. One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. Provide a safe path to earth ground for electricity. 0000003413 00000 n Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Quiz: Electrical Hazards. OSHA 10 General Industry Test Answer Key WALKING. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. b.Yes, as it would be too expensive to install more permanent wiring and receptacles. 0000006893 00000 n *Effects are for voltages less than about 600 volts. Is not painted over Continually audit cords on-site. Should Ajay use a GFCI? 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. The floor is covered in water and she is barefoot. Which group would be more accurate when used in an accelerating spaceship? 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. c.Three-prong plug 3.Something that causes current to flow through the . a) Door or window edges d. 411, You are working with a 10-foot section of a conductive pipe near power lines. 4. 0000004274 00000 n 0000002733 00000 n Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. :$#k9BPnZ{Qqe/reKy,'ZlB# He plans to use it over a period of at least six months. Question 2: Which of the following is NOT a category of electrical burns? d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: d. Power outlets, ________ are anything that can transmit electrical current. Explosion. 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 caused by contact with electricity? B 208v. d.50,000 volts. 3 0 obj Select the correct answer and then click DONE. 4.Broken. 0000427811 00000 n 30 days B. Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s c.Wood The victim was part of a crew that was constructing a concrete wall. ( B. outdoors. 0000004273 00000 n 2.Loose screws 3. Use only cords, connection devices, and fittings that are equipped with strain relief. 0000006152 00000 n 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. C. near water. endobj Select the correct answer and then click DONE. stream Additional minimum clearance distance is required for power lines carrying over ________. H. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l d.Water, Other electrical hazards in the workplace include: 0000001814 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. a.related to muscle damage. a.Standing in water -Damage to internal organs. Frames of non-electrically driven elevator cars to which electric conductors are attached. He may have dropped the extension cord at the site and not heard the connector break. Using cords or tools with worn insulation or exposed wires. Select the correct answer and then click DONE. 0000002386 00000 n When selecting the right extension cord, a good rule of thumb is to match the thickness of the extension cord to the thickness of: 0000057373 00000 n The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. [, Use all equipment according to the manufacturer's instructions. d. No, because an extension cord would not provide enough power. 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 a.20,000 volts Determine duration, frequency, degree of exposure to hazards and physical stress. Is the west coast of Africa a plate boundary? After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. c.Guaranteed Fault Circuit Interrupter Besides personal bodily injury, what other electrical hazards can be found in the workplace? Using tools and equipment that can contact power lines increases the risk. De-energize and ground lines when working near them. c.The outlet. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t -Falls. d.Metal, Over half of all deaths caused by electricity result from contact with ________. Examples Of Electrical Hazards. Two of the extension cords had no ground prongs, and some of them were repaired with electrical tape. 1.Using a fiberglass ladder when the possibility exists for contact with electricity. De-energizing Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Explosion Using modified cords or tools, e.g., removing ground prongs, face plates, insulation, etc. . The following are electrical hazards: Shock. 0000004208 00000 n 4. 5.Twitch, Electrical shock may result in: HWMo#7v#h>6,Z4- Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. Best Practices with Power Lines 1. q>NmnLNmb$"Iyx1bD9.~Ll. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. Use non-conductive wood or fiberglass ladders when working near power lines. 0000012944 00000 n 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. 1 0 obj Check your employee's electrical safety knowledge through an electrical safety quiz. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ 2. Quiz Question 7: Which is not an insulator? 1.Extension cords In which of the following workplace situations are you at risk for coming into contact with live electrical . Look for overhead power lines and buried power line indicators. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 182 0 obj <> endobj xref 182 41 0000000016 00000 n d.A power tool, A GFCI is designed to: %PDF-1.5 0000002195 00000 n Electrical hazards are life threatening incidents that could happen due to electricity. 0000018681 00000 n Identify the oxidizing and reducing agents. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. b.Electrical tools d/E \VZvl$Y#nH,EIm /\"BQ>Rkl6xZWtAgfs Which of the following are insulators of electricity? Which of the following part of you body can burn if you come in contact with electricity? endobj 0000108653 00000 n trailer 2. Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: Yes, because he will be using electricity near water. _5JKy. 3.Draped over equipment. 0000422244 00000 n d.Alert workers of any water in the area, GFCI is an acronym for: Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? -Current= the movement of electrical charge. Use tools and equipment according to the instructions included in their listing, labeling or certification. If a defective power tool gives you an electric shock, how might your muscles react? 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 If the insulation on the tool's power cord is damaged and you touch this area while grounded, the electricity will ________.
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