PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS OSHA 30 Construction Final Test Answer Key - Studylib 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. 0000000816 00000 n
Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. Some of the causes of these are live wire s that may be lying around, overloaded circuits, explosions that are caused by flammable objects, etc.
PDF Electrical Safety - Occupational Safety and Health Administration Question 2: Which of the following are ways employers must protect their employees on the workplace? 0000001604 00000 n
Most of the hydrides of Group 1A and Group 2A metals are ionic. Quiz Question 9: Conductor insulation must be approved for the ___________ of use? 0000013716 00000 n
D. near other electrical equipment.
OSHA 30 - Module 12: Electrical Safety Flashcards | Quizlet Continually audit cords on-site. b.Not wearing insulating shoes or boots when she was handling electrical equipment Power was supplied through two extension cords from a nearby residence. <>
Wearing a baseball cap C 277v. c. Inductive objects 1.Flammable liquids Should he use an extension cord to power it?
OSHA 10 - Electrical Flashcards | Quizlet [Flexible Cords and Power Tools]. 1.
PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. 0000005632 00000 n
Lockout/tagout procedures. 1.Damaged cover or insulation Which of the following are conductor of electricity? . 5. Electricity must follow an uninterrupted loop from the power source to the equipment and back to the power source or ________. b.Ground Fault Critical Interrupter 2 0 obj
De-energize and ground lines when working near them. c. Extend the reach of the power tool. The individual's perspiration-soaked clothing/body contacted bare exposed conductors on one of the cords, causing an electrocution. 3.Needs to be reset
b.Electrical tools OSHA 29 CFR 1910, Subpart S . 0000002557 00000 n
3. Additionally, the ground prongs were missing from the two cords. 1.The humidity of the environment You should? d.A power tool, A GFCI is designed to: Select the correct answer and then click DONE. Damaged Extension Cord Leaves Arc Welder Ungrounded: A 29-year-old welder attempted to connect a portable arc welder to an electrical outlet using an extension cord. Potential hazards of electricity are preventable if you do which of the following listed below? 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. B. outdoors. The floor is covered in water and she is barefoot. c.Three-prong plug Use tools and equipment according to the instructions included in their listing, labeling or certification. Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord.
electrical safety part 1 Flashcards | Quizlet a.Extension cords 1452 0 obj
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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). In which of the following workplace situations are you at risk for coming into contact with live electrical . Dust 2. Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. _.9u'2G_0 Ue]e"x5|Y Using cords or tools with worn insulation or exposed wires. 3. 4.Broken. 1476 0 obj
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4. The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. The workers administered CPR to the victim, but to no avail. 0000003640 00000 n
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On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. OSHA 29 CFR 1910.147 . 1. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. %PDF-1.4
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Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries This caused him to fall from the ladder and land in a puddle of water, still holding the saw. Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Match the length from job to outlet. s\A0W+ Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 2.Loose bolts 2.Placed along a wall. trailer
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2.The person's physical condition b) Staples Which of the following can be caused by exposure to an arc flash? Bob is asked to repair some overhead wiring, requiring the use a ladder. 0000057373 00000 n
[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.
Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy a.Yes, as it is a mobile engine testing station. Select the correct answer and then click DONE. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. 0000018681 00000 n
RZyd Does the fall qualify as an electrical accident? 0000002385 00000 n
Contact utilities for buried power line locations. Best Practices with Power Lines 1. 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. hazard or that their employer is not following OSHA's rules. a.Standing in water When you plug in a device (e.g., a power tool), the electricity takes the easiest path from the plug-in, to the tool, and back to the power source. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. 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. When inspecting extension cords, look for: 0000420887 00000 n
The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. Identify the oxidizing and reducing agents. The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. Which of the following can be the result of electric shock? a.Yes, because the electrical shock caused the fall. . b.Metal Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, 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., When does electricity become hazardous to humans? Test your knowledge with our electrical safety quiz below. 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. Extension cords are used to: Outlets [. 0000427811 00000 n
Question 2: Which of the following is NOT a category of electrical burns? -Severe skin burns. You need to evaluate the situation you are in and assess your . The small electrical current enters his body through his left leg. 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. 0000007694 00000 n
Then answer the questions below. Which of the following injuries can occur when muscles flex or twitch from an electrical shock? 4 0 obj
b.Yes, as it would be too expensive to install more permanent wiring and receptacles. endobj
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. Take any defective equipment out of service. 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. 3. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. g]+fn_m{mja_0Y w
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What do tripped circuit breakers and blown fuses indicate? 0000089142 00000 n
A co-worker disconnected the power cord to the saw, too late to save the victim. Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. [Power Tools]. 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! Find the volume of the parallelepiped determined by the vertices (1,1,1),(4,7,2) . OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. 4.Circuit breakers, When inspecting power tools, look for: [, Use all equipment according to the manufacturer's instructions. Using tools and equipment that can contact power lines increases the risk. Select the correct answer and then click DONE. (B) Switch sticks. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. 0000006893 00000 n
2. Question 2: Which of the following are ways . (A) Shotgun sticks. How might this event affect the ability of animals to obtain energy to live? You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. 0000002195 00000 n
Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? 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. 0000002876 00000 n
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4.No, because he does not need to use an extension cord. 1.Is faulty
Electrical Safety Assessment Quiz Answers | ISHN 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.
A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. She has an older drill with a steel housing and a 3-prong plug.