Primary winding - Study guides, Class notes & Summaries

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS The alternate source for emergency systems are required to be equipped with ground-fault protection of equipment. -Answer-False Which ANSI/IEEE standard covers SF6 circuit breakers? -Answer-C37.04 You measure the winding resistance of a 12.4kV, 1000kVA, Delta-Delta connected transformer with a 100A test set. H1-H2 measures 42.0 microhms, H2-H3 measures 41.9 microhms, and H3- H1 measures 84.0 microhms. What can you conclude from these readings...

Associate CET 6th guide Exam Questions And Answers All Verified A resistor __________________. a. stores an electric charge b. is measured in coulombs c. cause a voltage drop across it d. dependent on lines of force - ANS c. cause a voltage drop across it 1 kΩ is the same as _________. a. 1000 ohms b. .001 ohms c. 10e-2 ohms d. 10000 ohms - ANS a. 1000 ohms A resistor with color bands orange, red, brown is _____. a. 3.2 mega ohms b. 232 ohms c. 2.3 kilo ohms d....

Well-structured FAC1601 Assignment 2 (ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED. (DETAILED ANSWERS - DISTINCTION GUARANTEED!).....Trading under the name Lehumo Bricks, Refentse and Boitshepo are partners in this brick manufacturing company. Over the years, Lehumo Bricks has established itself as a reputable supplier of high-quality bricks used in various construction projects, from residential homes to large commercial buildings. The business has been profi table, with Refentse and B...

Conductors connected to the high leg of a four-wire delta system be color-coed with what color of insulation or tape? -correct answer -Orange (NEC Section 110.15) Dry-type transformers rated at 112.5kVA or less may be located out in the open provided they are separated from combustible material by a distance of ____. -correct answer -12" If the power factor is improved by the addition of a capacitor, the motor running overcurrent device must be selected based on the ___. -correct answer -...

NEIEP 400 Final Exam Version 1 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: What is the power available from a 68 kVA transformer connected in open delta configuration ? Answer: 39.44 kVA Q: The secondary winding of an 11,000 volt to 220 volt transformer has 50 windings on the secondary How many turns are on the primary winding ? Answer: 2500 turns Q: A transformer has 728 turns on the primary winding and 56 turns on the secondary With 120 volts applied ...

NEIEP 400 Final Exam Version 2 (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A Q: What is the result of connecting an ammeter to the terminals of a power supply or other voltage source? Answer: The meter will be damaged. Q: What is correct regarding the transformer? Answer: applied voltage on the primary leads current by 90 degrees Q: What does two solid lines between two coils represent in a transformer?- Answer: Iron core transformer Q: What statement best d...

NOCTI Electrical Questions and Answers Already Passed In general a beginning tradesperson with little or no experience in the electrical field is known as a/an apprentice The proper angle for setting up a ladder is to place its base a/an___________ of the working length of the ladder from the wall or other vertical surface. quarter A __________ fire extinguisher should be used on an electrical fire. Class C A person with a serious electrical injury should be moved only if they are in immedia...

4A Unit 8 Questions and Answers 100% Pass (4-083-3.2) An electrical distribution system is composed of service, feeders and: Select one: a. Trunk circuits b. Branch circuits c. Primary circuits d. Secondary circuits b. Branch circuits (4-082-2.6) A transformer has a primary voltage of 500 volts and 20 turns on the primary winding. If the secondary winding has 5 turns, the voltage of the secondary is: Select one: a. 4 volts b. 100 volts c. 2500 volts d. 125 volts d. 125 vo...

NEIEP 400 Final Exam V1 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Which statement applies when a secondary winding is completely shorted ? Answer: Current through the primary is high QUESTION Which statement applies when a secondary winding is partially shorted ? Answer: Current through the secondary is low QUESTION Which statement applies when a secondary winding is open ? Answer: The sec- ondary resis...