Phase transformer - Study guides, Class notes & Summaries
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NEIEP 400 Final Exam Version 2 (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A
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NEIEP 400 Final Exam Version 2 (Latest 2023/ 2024 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 transform...
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Level 2 Module 1 Alternating Currents correctly answered rated A+ 2023/2024
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Level 2 Module 1 Alternating Currents 
2:1 
What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? 
 
 
induced high voltage 
Opening the secondary of a CT under load will cause a dangerous level of___. 
 
 
40Hz 
What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 
 
 
340V 
Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 
 
 
175V 
A circuit has a peak voltage of 275V....
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Traffic Signal Technician Level II (Latest 2024 / 2025 Update) Questions and Verified Answers | Grade A | 100% Correct
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Traffic Signal Technician Level II (Latest 2024 / 2025 Update) Questions and Verified Answers | Grade A | 100% Correct Q: Check for proper operating DC voltage, check for the absence of red on a phase that does not have green, yellow, or walk, check on a simultaneous are functions that are provided by both - Answer: CMU and MMU Q: What is the purpose of relays in a traffic signal system? Answer: to transfer the outputs from one component to another Q: What device minimizes the amount of voltage ...
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Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded.
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Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded. What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes 
from the tray 
All of the following are common service voltages in the United States Except: 372/575 3- 
Phase, 4-wire 
What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device 
What will happen when one or more coils in a winding are grounded? The motor will 
automatically blow fuses 
eight in...
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NETA III 2023-2024 Exam Questions with Correct Answers
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NETA III 2023-2024 Exam Questions with Correct Answers 
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 conclud...
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PJM Generation Dispatcher Exam 2024 with 100% correct answers
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An EXCITER on a traditional generator does what? - correct answer Voltage regulation (AVR) if you change the excitation current, you change the voltage. 
 
ECO Min, ECO Max, and EMERG Max are genrator _________________. - correct answer Limits 
 
When synchronizing to the interconnection, what needs to be synchronized? - correct answer Frequency, Voltage, and phase angle. 
 
GMD (GeoMagnetic Disturbance) procedure is implemented when? - correct answer 10A or greater is measured by specia...
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NETA III 2024 QUESTIONS WITH CORRECT SOLUTIONS
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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...
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NCCER ELECTRICAL LEVEL 3 Module 6 Distribution Equipment exam questions and answers
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Which of the following is true with regard to switchboards 
Switchboards are used to subdivide large blocks of power 
 
 
 
When installing wiring within switchgear, use self adhesive cable ties every ___. 
12" (300mm) 
 
 
 
The maximum voltage that a piece of equipment can withstand is known as its ____. 
Basic impulse insulation level (BIL) 
 
 
 
Bolted pressure switches are often used in place of ___. 
Circuit breakers 
 
 
 
A transformer's temperature rise rating refers to ___. 
The max...
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Elevator Mechanic Exam Review 2023: Verified Solutions (A+ Guaranteed)
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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 ...
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NEIEP 700 FINAL Exam Questions And Answers 100 % Correct
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NEIEP 700 FINAL Exam Questions And Answers 100 % Correct 
straight line wiring diagram - ANS What types of wiring diagrams are most commonly used in circuit tracing 
 
answers calls sequentially in the direction of travel - ANS which of the following describes selective collective elevator control 
 
function switch to A-, red lead to 10A jack, black lead to com jack - ANS which of the following statements correctly describes how to measure AC Current 
 
An SCR - ANS what does the symb...
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