Circuit Study guides, Study notes & Summaries

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the Correct Answer current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. Correct Answer True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage will be...

1. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required?: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do?: Replace it with a larger MOV 3. On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue?: Suicide Circuit 4. You have an old DC ...

Test Bank For Essentials of Radiographic Physics and Imaging 3rd Edition by James Johnston, Terri L. Fauber 6681, 5, 4486, 4 1. Introduction to the imaging sciences 2. Structure of the atom 3. Electromagnetic and particulate radiation 4. The X-ray circuit 5. The X-ray tube 6. X-ray production 7. X-ray interactions with matter 8. Image production 9. Image quality and characteristics 10. Digital image receptors 11. Radiographic exposure technique 12. Scatter con...

NCTI FINAL EXAM: PROGRESSION FIELD TECH 5- 6 TEST EXAM| LATEST UPDATE 2023/ 2024 1. Internet group management protocol (IGMP) is carried by which protocol through out a network? ~ Answer: Internet Protocol (IP) 2. Ray has logged into the corporate routers and configured open shortest path first (OSPF) on each. Which of the following addresses does OSPF use to multicast changes in the routing tables? ~ Answer: 224.0.0.6 3. As part of multicast network management, what c...

NEIEP 500 Final Exam Version 1 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: How are wire sizes larger than 4/0 measured? Answer: In circular mils Q: What is the abbreviated term for current carry8ing capacity? Answer: Ampacity Q: What is the minimum size wired for lighting circuits in an elevator installation? Answer: #14 Q: What is the special about wire used for the interlock circuit? Answer: It must be rate...

Fire Investigator TCFP Exam| 500+ Practice Questions and Verified Answers| 2023/ 2024 Update Q: What is the ability of a structural assembly to maintain its load-bearing capacity and structural integrity under fire conditions Answer: A.) Fire resistance Q: What would most likely need to happen for the fuel-gas product to ignite in the piping system Answer: C.) Leak from the system Q: What can the fire investigator conclude when the electrical safety devices operated ...

NETA level II exam questions & answers 2023 What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. At what current level does ...

NCCER Test Questions and Answers 100% Pass A UL listed rod type ground electrode must have minimum length of 8'' in a circuit of pure capacitance, the current leads the voltage by 90 degrees The standard unit for measuring the cross sectional area of wire is the circular mil the drawing scale is most likely to be found in the drawing title block what is the minimum number of overload sensing units required for all three phase motors 3 what is the resultant distance between center bends fo...

When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - blown The difference between a fuse and a circuit breaker is __________. - circuit breakers can be reset and used again The amount two electrical...

Essay Unit 15 A and B - Electrical Circuits and their Application - distinction received Cheap and use when you need to hand in assignments quickly