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What is a Fault in an Electrical Power System?
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0
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2139
|
July 23, 2025
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Autotransformer Starter
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0
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2135
|
September 3, 2025
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Why does neutral on secondary sides have leakage of power?
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1
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1509
|
June 14, 2024
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How can thyristors be used as static switches for the phase reversal of induction motors?
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1
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1502
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August 1, 2024
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What is the Earthing Arrangement for an 11kV Double Pole Structure?
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0
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2121
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August 25, 2025
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Can a surge arrester reduce third harmonics?
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1
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1498
|
October 2, 2024
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Why Does A Capacitor Store Energy But Not Charge?
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1
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1496
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July 10, 2024
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What is Wave Trap (Line Trap) in Power Systems?
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0
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2113
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October 13, 2025
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What happens if a UPS and an Inverter are connected?
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0
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2109
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September 4, 2024
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Why do BLDC motors have variable numbers of turns per pole?
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1
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1490
|
September 12, 2024
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On what factors does counter torque in electrical generators depend on?
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0
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2104
|
July 17, 2024
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How do you obtain the relation between no load EMF and terminal voltage in an alternator at leading a negligible power factor?
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0
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2102
|
May 7, 2024
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What is IR Drop?
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0
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2101
|
May 8, 2024
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Which of the following outdoor lights like LED, Mercury vapor, Metal halide, High pressure sodium, Low pressure sodium, Fluorescent lights, Halogen lights, and Incandescent lights causes light pollution in environment?
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0
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2100
|
June 16, 2023
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How do you handle an overload (or) short-circuit situation on-site?
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1
|
834
|
October 27, 2025
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How do Shaded Pole Induction Relays work?
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0
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2094
|
September 26, 2024
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How does AFR series arc flash relay work?
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0
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2089
|
August 4, 2023
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Is it ok to extend the AC motor speed by VFD from its rated frequency or RPM
|
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1
|
1475
|
July 3, 2021
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Why are stranded wires commonly used outside the US?
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1
|
1471
|
January 12, 2025
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Control Methods of Variable Frequency Drives (VFD)
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0
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2081
|
May 31, 2024
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|
What causes the rotor in a DC motor to rotate in one direction only? What would happen if it rotated in the opposite direction?
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1
|
1465
|
July 5, 2024
|
|
IP Degree Selection
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0
|
2066
|
July 3, 2024
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|
Why is a low current (<10A) MCB more expensive than a high current MCB?
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1
|
1460
|
July 19, 2024
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|
What is the difference between transmitting electrical power at 50 Hz and 60 Hz frequencies?
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0
|
2064
|
October 18, 2024
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|
What are the Different Types of Electrical Safety Tests performed on Electrical Equipment?
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0
|
2060
|
April 26, 2024
|
|
What is the purpose of a Stock-bridge damper in High transmission lines?
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1
|
1452
|
September 3, 2021
|
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Why are Transformers Rated in kVA and Motors in kW?
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0
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2049
|
April 25, 2025
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|
What is the function of a microcontroller?
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0
|
2049
|
September 11, 2024
|
|
Current Transformer (CT) Accuracy Class
|
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0
|
2045
|
August 7, 2025
|
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Difference between Megger Test and Hipot Test
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0
|
2044
|
September 25, 2025
|
|
What is MCB Connector?
|
|
0
|
2040
|
July 16, 2024
|
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Function of X & Y Capacitors in EMI/EMC Filtering
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0
|
2031
|
March 31, 2025
|
|
How can Predictive Maintenance Techniques improve the efficiency of High Voltage Maintenance?
|
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0
|
2029
|
April 10, 2024
|
|
Why Phase Failure Relays (PFR) are essential in Low Voltage (LV) Panels?
|
|
0
|
2025
|
January 17, 2025
|
|
How does a battery get charged? Which one, the current or the voltage? Why?
|
|
0
|
2021
|
March 12, 2024
|
|
Can you share pre-operation checklist for MCC panel?
|
|
1
|
1429
|
June 4, 2024
|
|
Substation Interview Question and Answer
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|
0
|
2020
|
December 17, 2024
|
|
Common Interview Questions for Electrical Engineering Polytechnic Students
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|
0
|
2011
|
August 23, 2024
|
|
Why a fire suppression system was not installed for transformer protection?
|
|
1
|
1420
|
June 19, 2025
|
|
What are the key factors that determine the power requirements of an electric motor?
|
|
0
|
2004
|
August 8, 2024
|
|
Step-by-Step Guide for Choosing the Right Electrical Cable
|
|
0
|
1993
|
November 22, 2024
|
|
What is a phase and neutral balance?
|
|
0
|
1992
|
October 15, 2024
|
|
When is a Disconnector placed between 2 Circuit Breakers in a Substation?
|
|
0
|
1990
|
May 21, 2025
|
|
Can an ungrounded outlet be replaced with a GFCI without grounding?
|
|
0
|
1989
|
May 16, 2024
|
|
How Does a Motor Control Circuit work using Direct-On-Line (DOL) Starter in Real Industrial Applications?
|
|
0
|
1986
|
May 16, 2025
|
|
Difference Between a Contactor and a Relay
|
|
0
|
1984
|
April 24, 2025
|
|
Why is copper wire preferred over other types of wires?
|
|
0
|
1981
|
August 5, 2024
|
|
What is the difference between RCCB, RCBO and ELCB?
|
|
0
|
1976
|
September 9, 2025
|
|
What are the benefits of using surge suppression devices for protecting electrical systems? How does Energy Control System's solutions help in preventing power surges?
|
|
1
|
1396
|
October 6, 2024
|
|
Why capacitor allows AC to flow through it and blocks DC
|
|
1
|
1396
|
October 2, 2021
|