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What is 86 relay?
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1
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1318
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August 19, 2025
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What happens if a UPS and an Inverter are connected?
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0
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1863
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September 4, 2024
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What are the Different Types of Electrical Safety Tests performed on Electrical Equipment?
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0
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1857
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April 26, 2024
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What is the function of a microcontroller?
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0
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1856
|
September 11, 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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1309
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September 12, 2024
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What is a Fault in an Electrical Power System?
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0
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1849
|
July 23, 2025
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Why Phase Failure Relays (PFR) are essential in Low Voltage (LV) Panels?
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0
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1844
|
January 17, 2025
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How do Shaded Pole Induction Relays work?
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0
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1843
|
September 26, 2024
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Simplify MOSFET Test With Source Measure Meter
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0
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1842
|
November 17, 2023
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Why capacitor allows AC to flow through it and blocks DC
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1
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1301
|
October 2, 2021
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For what purpose do we use HVDC transformer
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1
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1299
|
May 10, 2021
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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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1836
|
May 7, 2024
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BHEL Electrical Interview Questions
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0
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1835
|
July 30, 2024
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Explain the difference between volts and watts
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1
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1297
|
September 13, 2021
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How to use a Megger Insulation Tester?
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0
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1831
|
August 13, 2025
|
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Common Interview Questions for Electrical Engineering Polytechnic Students
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0
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1830
|
August 23, 2024
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Why is a low current (<10A) MCB more expensive than a high current MCB?
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1
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1285
|
July 19, 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
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1283
|
July 5, 2024
|
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Can you share pre-operation checklist for MCC panel?
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1
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1283
|
June 4, 2024
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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?
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1
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1282
|
October 6, 2024
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How to identify if a Motor is AC or DC without using any Tools?
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0
|
1814
|
August 15, 2025
|
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Difference Between a Contactor and a Relay
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0
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1794
|
April 24, 2025
|
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What is MCB Connector?
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0
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1795
|
July 16, 2024
|
|
What is the purpose of a Stock-bridge damper in High transmission lines
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1
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1267
|
September 3, 2021
|
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How to control the speed of a DC series motor?
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0
|
1784
|
November 13, 2024
|
|
How can a VFD can control the speed of a motor
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1
|
1259
|
June 23, 2021
|
|
Control Methods of Variable Frequency Drives (VFD)
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0
|
1779
|
May 31, 2024
|
|
How does a battery get charged? Which one, the current or the voltage? Why?
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0
|
1778
|
March 12, 2024
|
|
Step-by-Step Guide for Choosing the Right Electrical Cable
|
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0
|
1766
|
November 22, 2024
|
|
Variable Frequency Drive (VFD) Routine Maintenance Checklist
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0
|
1763
|
June 25, 2025
|
|
In power transmission systems, what factors contribute to the significance of DC voltage batteries?
|
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0
|
1748
|
December 21, 2023
|
|
Why Overhead Transmission Conductors are Stranded?
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0
|
1725
|
May 13, 2024
|
|
What is the Difference between Thermal Overload Relay (TOR) and Electronic Overload Relay (EOR)?
|
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0
|
1719
|
August 14, 2025
|
|
Can an ungrounded outlet be replaced with a GFCI without grounding?
|
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0
|
1710
|
May 16, 2024
|
|
How to read & understand a Current Transformer (CT) Nameplate?
|
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0
|
1711
|
September 4, 2025
|
|
Why a fire suppression system was not installed for transformer protection?
|
|
1
|
1208
|
June 19, 2025
|
|
Is it possible to use contactors for DC motor protection and starting
|
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1
|
1205
|
September 2, 2021
|
|
Substation Interview Question and Answer
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0
|
1699
|
December 17, 2024
|
|
What is a phase and neutral balance?
|
|
0
|
1697
|
October 15, 2024
|
|
Is it safe to use copper wire as an earthing electrode when connecting the main line to an earthing transformer?
|
|
1
|
1199
|
July 11, 2024
|
|
What is a transformer differential protection
|
|
1
|
1200
|
September 9, 2021
|
|
How do you handle an overload (or) short-circuit situation on-site?
|
|
1
|
674
|
October 27, 2025
|
|
Can a surge arrester reduce third harmonics?
|
|
1
|
1198
|
October 2, 2024
|
|
Electrical Equipment Size Calculation
|
|
0
|
1695
|
November 14, 2024
|
|
Current Transformer (CT) Accuracy Class
|
|
0
|
1693
|
August 7, 2025
|
|
Why are Electrical Busbars Rectangular not Circular?
|
|
0
|
1691
|
August 27, 2024
|
|
Is there any software that suggests optimal transformer size and loading?
|
|
1
|
1188
|
July 7, 2025
|
|
What is Transformer Impedance? What is the Percent Impedance (% Impedance) of a Transformer?
|
|
0
|
1672
|
April 18, 2025
|
|
How To Read MCB Nameplate Rating?
|
|
0
|
1671
|
October 8, 2024
|
|
What is the Earthing Arrangement for an 11kV Double Pole Structure?
|
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0
|
1670
|
August 25, 2025
|