Three wire system - Study guides, Class notes & Summaries

Combustible Liquid - Correct answer-A liquid with a flash point ABOVE 100F 12.5 - Correct 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 - Correct 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 = amps x volts 1987 - Correct answer-The y...

Medical Gas Certification Pre-Test Questions With Verified Answers The medical air dew point high alarm from each compressor site will indicate at the master alarm panels when the line pressure dew point is greater than ________ degrees F A. 22 B. 32 C. 35 D. 44 C. 35 A __________ shutoff valve shall be provided int he main supply line when the source valve is not accessible from within the building being served. A. main B. supply C. service D. zone A. Main A 24- hour sta...

NICET Level 1 Fire Alarms (Update) Qs & As| 100% Correct| Grade A (Verified Answers) Q: At which height must cables be physically protected when being installed within an exposed ceiling? Answer: 7 feet Q: When shall smoke detectors be installed during the construction process? Answer: After the final cleanup of all trades Q: Where structural members are provided, intermediate metal conduit shall be secured within which maximum distance from an outlet box" ...

Home Inspector National Exam Prep Questions and Answers Already Passed It is important to maintain a positive grade away from the structure of at LEAST _______ inch drop per foot for six feet. A. 1/4 B. 1/2 C. 3/4 D. 1 1 Which of the following BEST describes the report statement shown below? "The roof is in good condition for its age." A. Conclusion B. Recommendation C. Description D. Disclaimer Conclusion Which of the following conditions would be LEAST critical to your client's safet...

RESIDENTIAL WIRING SYSTEM COMPONENTS WITH COMPLETE SOLUTIONS What are the main components of a residential wiring system? The main components include wires, circuit breakers, outlets, switches, and junction boxes. What type of wire is commonly used for residential wiring? Non-metallic sheathed cable, often referred to as NM cable, is commonly used for residential wiring. How do electrical outlets function in a residential wiring system? Electrical outlets provide access to elect...

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...

Companies with strong safety cultures usually have lower _ . turnover Safety is a learned behavior and attitude. T/F TRUE Poor lighting, excessive noise, inadequate guards for moving parts are examples of _ _. unsafe conditions The activity that consists of breaking a job into its component task and then analyzing each step for potential hazards is called _ _ _ . job safety analysis The measure of probability, consequences, and exposure related to an event is refe...

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - correct answer C: 78% Many pre-1992 furnaces have efficiencies around . A: 10% B: 40% C: 60% D: 80% - correct answer C: 60% Today, furnaces with AFUE ratings greater than are available. A: 85% B: 90% C: 100% D: 110% - correct ...

The valve between the right atrium and right ventricle is named because it has _____. - answers-three cusps A small patch of tissue called the _____ acts as the pacemaker of the heart. - answers-sinoatrial node _____ samples the blood in each heart chamber for oxygen content and pressure. - answers-cardiac catheterization The simplest form of atherosclerosis is _____, which are thin, flat discolorations in the arteries that can enlarge and become thicker as they grow in length. - answer...

CHST REVIEW LATEST VERSION GRADED A+ employer responsibilities regarding use of GFCI 1. delegate implementation to 'competent person' 2. 120V which operate at 15 to 20 amps, not permanent, equipe with GFCI 3. applies to all cord sets not part of permanent building struction ain written description of th eprovisions. OSHA specification which apply to wire rope used in construction rigging -no more than three tucks ina wire rope -wire ropes used for hoisting or lowering be continuous le...