What is an arc blast - Study guides, Class notes & Summaries

IAAI CFI Study 250+ Questions with 100% Complete Solutions Combustible Liquid - Answer- A liquid with a flash point ABOVE 100F 12.5 - Answer- 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? 1000 - Answer- If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = am...

What a sound mark on a chart? - ️️This reflects the depth on the day the chart was made during the lowest tide. It is the least depth you would anticipate at a location. Know when your chart was made, the seabed changes! What does one long blast mean? - ️️This means you are leaving a dock or departing your slip. It signals to others a change in status and that you are getting underway. A prolonged blast is also sounded when a vessel is approaching a bend in a river where vessels c...

What is the purpose of the Occupational Safety and Health Act? - ANSWER The ensure the establishment of safe and healthy working environments. Electrical Safety in the Workplace p.5 The NFPA 70E has a supplemental section which contains... - ANSWER NEC articles Electrical Safety in the Workplace p.7 What is an explosive event that occurs with an arc flash? - ANSWER an arc blast Electrical Safety in the Workplace p.8 The NFPA70E applies to any workplace that had the potential f...

Electricity: An electrical arc blast can vaporize metal parts and produces an explosive and deadly pressure wave. How many degrees fahrenheit can an electrical arc blast reach? - ANSWER30,000 degrees Fahrenheit Electric Motors: Does the electric motor work on the principle of the attracting and repelling forces of magnetic fields? - ANSWERYes Electrostatic charge is due to an excess of, or a deficiency of, electrons between objects that have been separated. True or False? - ANSWERTru...

Industrial Red Seal Practice Exam Questions and Answers Already Passed NB: Answers appear before each question and are highlighted in yellow. B Which meter will be damaged when used on an energized circuit? A) A wattmeter. B) An ohmmeter. C) An ammeter. D) A voltmeter. D The open circuit voltage of a lead acid battery is 39 Volts, and the terminal voltage is 35 Volts when connected to a 141 Amp load. What is the internal resistance of the battery? A) 4.0 ohms. B) 1.7 ohms. C) 0.283 ohms. D)...

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.

IAAI CFI & NFPA 921 Exam With 100% Correct And Verified Answers 2024 "Rule of Nines" - Correct Answer-Medical concept, where major body areas are represented by increments of 9% *For example the head equals 9% 109F - Correct Answer-In hyperthermia, what core body temperature is generally fatal within minutes unless treated? 4.0 to 10 w.c. - Correct Answer-The typical water column range for gas service lines 4th Amendment - Correct Answer-The amendment concerning search and seizur...

IAAI CFI Exam Study Questions Definations and Answers 100% CORRECT Combustible Liquid - ANSWER A liquid with a flash point ABOVE 100F 12.5 - ANSWER 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? 1000 - ANSWER If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) ...

IAAI CFI CERTIFICATION EXAM SOLUTIONS 100% VERIFIED Combustible Liquid - ANSWER A liquid with a flash point ABOVE 100F 12.5 - ANSWER 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? 1000 - ANSWER If a hair dryer draws 8.3amps (in a home with 120-volt service), what is the wattage? *Power (P) = current (I) x voltage (V) Watts = am...

What is metallurgy? the science of extracting metals from their naturally occurring materials and preparing them for use What is an ore? naturally occurring material containing a metal in sufficient concentration to make its extraction profitable Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:00 Full screen List the four general steps in the production of a useful metal from an ore. concentration, reduction, refini...