What is arc flash - Study guides, Class notes & Summaries

IAAI CFI 250+ QUESTIONS AND ANSWERS COMPILED NEW GEN VERIFIED AND SOLVED 100% FOR THE IAAI CFI CERTIFICATION TEST A liquid with a flash point ABOVE 100F Ans- Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? Ans- 12.5 If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P)...

Study Guide Exam for NFPA 70E FINAL 2024 True or False: A mandatory rule can have exceptions. - CORRECT ANSWER-False True or False: Permissive rules are allowed but not required to be performed - CORRECT ANSWER-true What does NEC stand for? - CORRECT ANSWER-National Electrical Code What do chapters 1-4 of the NEC cover - CORRECT ANSWER-General electric installations What do chapters 5-7 of the NEC cover - CORRECT ANSWER-Special equipment and loctations What does chapter 8 of the NEC ...

The mildest type of burn which involves only the top layer of skin, is considered a _____. First degree burn A ______ degree burn involves all layers of the skin and my involve tissues. Third Wearing proper _____ will greatly reduce the possibility of burns. PPE List the three aspects of Electricity Hazards. Shock, Arc's, and Blast At current flows of _______ or greater, the danger of death or severe damage increases tremendously. 10 milliamps Voltages ab...

IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2025 | Graded A+. 109F In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. The typical water column range for gas service lines 4th Amendment The amendment concerning search and seizure *Remember "knocking" 5th Amendment The amendment concerning pleading, grand jury and double jeopardy IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2...

Nfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% Accurate Three main electrical hazards working on energized circuit - ANSWER-Shock, fire, arc What is an arc flash? - ANSWER-A type of electrical explosion or discharge that results from low impedance connection through air to ground or another phase. What is an arc blast? - ANSWER-The explosive burst of energy that occurs during an arc flash.

Three main electrical hazards working on energized circuit - ANSWER Shock, fire, arc What is an arc flash? - ANSWER A type of electrical explosion or discharge that results from low impedance connection through air to ground or another phase. What is an arc blast? - ANSWER The explosive burst of energy that occurs during an arc flash. What determines the effects of shock on the body? - ANSWER Time, path, amount of current What is the onset of second-degree burn - ANSWER 1.2 cal/cm^2 ...

What are the 6 recordable incidents? correct answers Death loss of consciousness lost day from work restricted work medical treatment beyond first aid prescribed medication TRIR correct answers Total Recordable Incident Rate TRIR calculations correct answers (# of recordable injuries x 200,000) / total work hours PEL correct answers Permissible Exposure Limit NIHL correct answers noise-induced hearing loss OSHA correct answers Occupational Safety and Health Administration ...

NFPA70 Study Guide Questions with Correct Answers (1) What is an Arc Flash? - Answer-A short circuit that jumps through the air from one exposed conductor to another. What makes an Ar Flash dangerous? - Answer-Temperatures of up to 35k' F, shrapnel, molten metal, chocks, shockwave (2k lbs/foot^2), soud (140 dB), burn injuries. Hazard/Risk Category 1 contains PPE requirements. What are they? - Answer-hardhat, safety glasses, hearing protection, heavy duty leather gloves, leather work sh...

IAAI CFI & NFPA 921 Final Exam Questions and Answers Latest Updated 2024/2025 | Graded A+. "Rule of Nines" Medical concept, where major body areas are represented by increments of 9% *For example the head equals 9% 109F In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. The typical water column range for gas service lines 4th Amendment The amendment concerning search and seizure *Remember "knocking" 5th Amendment The amendmen...

IAAI CFI Exam Questions With Verified Answers Latest Update 2024/2025 | Graded A+. A liquid with a flash point ABOVE 100F - correct answers Combustible Liquid If the current flowing out from an electrical panel is 12.5 amps, and it then flows through an electrical load of 1500 watts, what is the amperage of the remaining current flow of the return circuit? - correct answers 12.5 If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) ...