OSHA 29 CFR 1910, Subpart S . You discover the electrical cord on a drill has been damaged and some of the cord's insulation is missing. 0000002733 00000 n
What type of burns are the result of current flowing through and exiting the body? A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. b.The tool's power cord. Question 3: A/an ____________ is a unit of measurement for electrical resistance. xYmo -ER/&@[D,_! Use only extension cords that are marked with a designation code for hard or extra-hard usage. 2. 0000419562 00000 n
Death is probable. Be sure equipment that has been shop fabricated or altered is in compliance. 4.Broken. What do tripped circuit breakers and blown fuses indicate? You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. ZR)!=w|; @uT C0? Question 3: Employers are not required to enforce lock out/tag out practices in the workplaces. 1.Is firmly connected 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. Test your knowledge with our electrical safety quiz below. 2. 0000005632 00000 n
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Contact utilities for buried power line locations. What is the most common, non-fatal, electrical shock-related injury? a.related to muscle damage. and more. 0000089142 00000 n
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Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. The small electrical current enters his body through his left leg. The following are electrical hazards: Shock. Visually inspect all electrical equipment before use. Select the correct answer and then click DONE. It's okay to use extension cords with worn insulation, as .
PDF OSHA Safety - Electrical Safety - Red Vector Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy Quiz Question 2: Which is acceptable when using powdered tools? View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. 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. 0000004208 00000 n
c.40,000 volts Which of the following part of you body can burn if you come in contact with electricity? 0000003715 00000 n
OSHA 29 CFR 1910.147 . 0000055319 00000 n
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Power was supplied through two extension cords from a nearby residence. B. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____.
PDF Electrical Safety - Occupational Safety and Health Administration Quiz Question 9: Conductor insulation must be approved for the ___________ of use? On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. 2.Loose bolts Wearing a baseball cap specifically addresses electrical protective devices. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
Working with electricity can be dangerous. 4.Organs, The presence of ________ can turn you, your equipment, or insulators like wood into conductors. A. wrap tape around the damaged spot to prevent electrical shocks. The accident site was wet; also, humidity was high and the victim was sweating. The auger has a one-quarter horsepower motor encased in a metal housing with two handles. Death. 1452 0 obj
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Additionally, the ground prongs were missing from the two cords. 0000002386 00000 n
Quiz Question 7: Which is not an insulator? Use only cords, connection devices, and fittings that are equipped with strain relief. Electrical safety quiz answers are given below. d.50,000 volts. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? . Explosion. If a defective power tool gives you an electric shock, how might your muscles react? Question 1: Which of these is a type of Ground Fault Circuit Adapter? 0000000816 00000 n
While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. How will she choose the correct cord? One worker, holding the deadman's switch, received a shock from a ground fault in the auger and was knocked back from the machine. When it completes a circuit through the body. What is the primary purpose of properly grounding equipment? Using circuit breakers or fuses with the wrong rating for over-current protection, e.g.
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3.No, because he will not be touching any grounded material when using the tool. This caused him to fall from the ladder and land in a puddle of water, still holding the saw. b.Not wearing insulating shoes or boots when she was handling electrical equipment Overview. g]+fn_m{mja_0Y w
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Question 1: Each year, approximately __________ workers suffer from electricity related injuries. 0000007427 00000 n
a. Gaseous matter Water To avoid injury or death, you must understand and recognize hazards. 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). Which of the following are insulators of electricity? s\A0W+GA?~G?nnnnnnnnnnnn>>{Wrbrbrbrb sbZef'N(:QvD":1vbo7o7o7W*_bTs6ivyU,;dFW`
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Get All Answers to OSHA 30 Construction Final Exam. 0000068035 00000 n
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No GFCI's were used. (See NFPA 70E-2021 Article 130 and OSHA subpart S part . 3.Cramp 4.Running through doorways.
he most common shock-related injuries are: Hand-operated metal shifting ropes or cables of electric elevators. Supply power for tools or equipment on a long-term basis. As the victim climbed down a makeshift ladder, he shifted the saw from his right hand to his left, and was shocked. 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. 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: 2.Complete <>
Introduction To Osha Quiz Answers1) Which of the following activities 5 feet 1.Flammable liquids She has an older drill with a steel housing and a 3-prong plug. 0000021516 00000 n
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Electrical Safety Quiz-Test Your Electrical Safety Knowledge 4. a.Conductive objects c. No, because the electricity is needed on a long-term basis. Is split a. Check your employee's electrical safety knowledge through an electrical safety quiz. b.Match the thickness of the extension cord to the thickness of the nail gun's power cord. c.falls. :$#k9BPnZ{Qqe/reKy,'ZlB# Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. Before using the equipment, be sure that the ground wire: d/E
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/\"BQ>Rkl6xZWtAgfs When the victim reached down to connect the choker to the hoist cable, he suddenly collapsed. 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. Continually audit cords on-site. The contact lasts for 5 seconds before someone is able to shut off the power. Electrical hazards are life threatening incidents that could happen due to electricity. Equipment used in manner prescribed. 0000001814 00000 n
Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. -Voltage= a measure of electrical force. Burns. 0000010603 00000 n
3.Tears Should Ajay use a GFCI? 0000002403 00000 n
Know glove capability VS hazard anticipated (exposure to chemicals, heat, or flames). Seven employees of a masonry company were erecting a brick wall from a tubular, welded-frame scaffold approximately 24 feet high. s\A0W+ In addition to contact with power lines, the top electrical hazards include: As she is adding in the chemicals, her hand touches the motor and it becomes energized. %PDF-1.5
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Examples of Equipment That Can Contact Power Lines. d.Metal, Over half of all deaths caused by electricity result from contact with ________. b. Use only equipment that is approved to meet OSHA standards. One hand drill was not grounded, and the other had no safety plate. Bob is asked to repair some overhead wiring, requiring the use a ladder.
which of the following are electrical hazards osha quizlet 0000003640 00000 n
The victim provided a path to ground and was electrocuted. 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. This may damage your equipment and cause employee injuries. A 20-year-old bricklayer standing on the work platform in contact with the main scaffold was electrocuted. A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. Select the correct answer and then click DONE.
Which of the following are electrical hazards? - Brainly.com b.10 feet Both could have prevented the accident from occuring. True. Explain the purpose and use of the MyPlate symbol. Extension cords are used to: Study with Quizlet and memorize flashcards containing terms like OSHA's electrical standards are based on: A. ANSI standards B. Extension cords may become a trip hazard when: 2.Grounding -Grounding= a conductive connection to the earth which acts as a protective measure. 3. 0000008392 00000 n
2. 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. Carly needs to use an extension cord with her corded nail gun. -If current passes through the body near the heart or brain. Freeze 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. Safe operation of hand and portable powered tools and other hand-held equipment. Both the operator and the victim failed to notice that the boom had contacted a 2,400-volt overhead power line. As he removed the forms, he wrapped them with a length of cable called a choker, which was to be attached to a crane. c) Establish and enact an assured equipment grounding conductor program (AEGCP) 3.Needs to be reset 2.Loose screws RZyd 0000006893 00000 n
5. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. Switch Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? %
a.Standing in water The ________ keeps the electricity on its intended path through the conductor. d.Add more outlets. C. near water. Electrocution. The modification of the plug was not an intended use or prescribed by the manufacturer. Cardiac arrest or death - A result of electrical shock. A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. a.Yes, because the electrical shock caused the fall. What is the output of the program in Exercise 17, if first = 26 and second = 8? endobj
4.Must be replaced, Always use a GFCI: -Wood. Select the correct answer and then click DONE. 3.Draped over equipment. 0000110659 00000 n
D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE.
Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries trailer
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A co-worker disconnected the power cord to the saw, too late to save the victim. [Flexible Cords and Power Tools]. True. 0000414648 00000 n
Osha 10 test answers 2021 quizlet - Math Questions The workers had removed their shirts and were sweating. 3.Vapor 2. 3.Loose nuts Question 4: When a worker receives an electric shock, first aid must start within ___________ minutes. D. near other electrical equipment. 0000420564 00000 n
He plans to use it over a period of at least six months. Which of the following factors determine how severe an electrical injury might be? 0000001731 00000 n
OSHA: How Electricity Works Flashcards | Quizlet 0000004946 00000 n
Select the correct answer and then click DONE. [Power Tools].
OSHA 30 Construction Final Test Answer Key - Studylib 3 0 obj
The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. b. Deductive objects According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more. The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. Quiz: Electrical Hazards. 3. OSHA 10 General Industry Test Answer Key WALKING. 0000017336 00000 n
Select the correct answer and then click DONE. Work performed on an electrical system within reaching distance of energized components is_____work. gYpV:+ 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. 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. Using a dry wood ladder when the possibility exists for contact with electricity. The factors that determine the severity of an electrical injury include: b.Ground Fault Critical Interrupter As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder.
eTool : Construction - Electrical Incidents | Occupational Safety and 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: Using cords or tools with worn insulation or exposed wires. Which of the following are caused by contact with electricity? Looking for NFPA 70E Certification? 3.Loss of eyesight 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8]
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Qp@"]yOnNw89 (See NFPA 70E-2021 Article 130 and OSHA subpart S part 1910.333 (a) (1)- (2) and (c) for complete details.) 0000005734 00000 n
Select the correct answer and then click DONE. 0000005716 00000 n
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Select the correct answer and then click DONE. Best practices with power lines include: c) Age 0000002557 00000 n
lex has set up a mobile engine testing station in the maintenance area. 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. a.Extension cords b.burns. Ground all power supply systems, electrical circuits, and electrical equipment. 1.Extension cords Question 4: Which of the following is a type of burn caused by electrical hazards? Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. _.9u'2G_0 Ue]e"x5|Y 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. 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. Any cords found not to be marked for hard or extra-hard use, or which have been modified, must be taken out of service immediately.