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1. What is Treatment plant (TP) ?
2. Elevating Electrical Safety with Comprehensive Insulation Resistance (IR) Testing
3. What is PTW? Which type of PTW do you follow in PV Field area work?
4. How to determine suction pressure if you are working on a different refrigerant?
5. Importance of CIEG inspection in solar power plant
6. Modular UPS system Preventive Maintenance
7. Factors that cause PD (Partial Discharge) in high voltage Gas Insulated Switchgear (GIS)
8. What is Electrical Partial Discharge?
9. Industrial Protocol for Troubleshooting an Industrial Motor
10. Transformer short-circuit impedance test
11. Power Transmission line protection
12. Why HVDC is preferred over HVAC in Offshore wind farms?
13. Impulse Generator Test | Flashover Test
14. Electrical thumb rules for selecting various electrical equipment
15. What is Solar net metering and how does it work?
16. Sizing and calculating IT equipment load in kW
17. UPS Sizing and Design Calculation
18. Cable insulation types and their applications
19. How does a Buchholz Relay Protect Power Transformer?
20. What is the difference between load sharing and load shedding of generator?
21. Power Transformer Testing and commissioning
22. The Importance of Transformer Insulation
23. Understanding Air Circuit Breaker Protection Settings
24. What is Spacer in overhead transmission lines?
25. What is Difference Between of PFD & P&ID?
26. What is AVR Panel?
27. Type Tests and Routine Tests for Electrical Machines
28. Why Neutral Grounding Resistors (NGR) Are Essential in Power Systems?
29. Understanding Transformer Losses Hysteresis & Eddy Current Losses, and Frequency Dependence
30. What is VCB ?
31. Types of Earthing system?
32. PSS Tuning
33. How to check a faulty Temperature Sensor?
34. Why does Triplen harmonics exist?
35. Generator Synchronization larger one with smaller one
36. Understanding the Generator Capability Curve
37. Components of VFD
38. Synchronous Motor
39. What are the Transformers Components?
40. Electrical Engineering Interview Questions and Answers
41. What is the battery Grade?
42. Function of Automatic Transfer Switch Panel
43. Cooling Tower Performance Key Calculations Efficiency and Fan Curves
44. Cables vs Busbars Making the Right Choice in Power Distribution
45. How to Perform Solar System Preventive Maintenance
46. How to read the Arc flash label?
47. Understanding Power Quality and Its Key Components
48. Power Electronic Circuits Types and Functions
49. Comparison between DC and AC Transmission
50. Types of Batteries Used for Power Backup
51. Water Quality Control for Cooling Tower
52. Why does bus bars are rectangular but not circular?
53. What is electrical sensation under power line?
54. What are the Transformer Vector groups?
55. What is Hot Maintenance and tools used ?
56. How to decide Capacitor Bank location for Power Factor Improvement?
57. What is meant by pump priming?
58. Guide to Calculating Battery Backup Time
59. Importance of Reactive Power in Electrical Power Transmission Systems
60. Difference Between HSBT vs ATS vs STS
61. Pump Inspection check list API 610
62. Electrical Grounding and Safety
63. All about Withstand Ratio Test
64. Capacitor bank basics
65. What is pump sizing factor and shaft index
66. Winding Resistance Testing (WRT) vs Transformer Turns Ratio (TTR) Testing
67. Distribution Control Systems: Questions and Answers
68. Proven Strategies to Reduce Machine Breakdowns
69. What is Industrial Automation?
70. Isolation Transformers: Significance in Fluctuating Power Grids
71. Low Voltage Circuit Breakers: Types, Uses, and Settings
72. Sensors in Diesel Engines
73. Differences Between Substation and Switchyard
74. How Ferro Resonance Works in Distribution Systems
75. Modbus Protocol: Modern Uses and Process
76. Corrosion Monitoring in Electrical Systems
77. Electrical Bus System: Layout and Significance
78. Types of Electrical Power Substations
79. Why Control Systems are Measured in Milliamps (4-20mA)
80. The Role of Proper Water Flow in Chillers
81. Electrical Substations and Their Components
82. Automotive Relays
83. Solar MPPT Change Control
84. Types of Engineering
85. Protecting Electrical Components from Sudden Power Spikes
86. Significance of Hydrogen in Transformer Oil
87. Lithium-Ion Battery Defect vs. Failure in Manufacturing
88. Why Use EVA (Ethylene Vinyl Acetate) in Solar Modules
89. Transformer Preventive Maintenance
90. Resolving Bluestar VRV/VRF Outdoor Unit C4/C6/C9 Errors
91. Why Voltage from Solar Panels Drops When Amps Go Up
92. Hisense Steam Washing Machine Error F01/F23/F24 Codes
93. What Does an Insulation Resistance Tester Do?
94. What is an LCR Meter?
95. Transformer Tap Changer Maintenance
96. Transformer Overload and Cooling System Failure
97. Generator Synchronization
98. Solar Panel Degradation
99. Reasons for Failures in Cable Boxes
100. Power System Planning Objectives
101. Types of Losses in Transmission Lines
102. What is an Earth Tester?
103. SF6 (Sulfur Hexafluoride) Gas Insulated Circuit Breakers (GIS)
104. Understanding the Star-Delta Starting Method
105. Understanding the 8-Pin Relay
106. Considerations for a Solar Project
107. Building Management Systems: PLC vs. DDC
108. Inspecting Main Chiller Control Panels
109. What is a PLC?
110. Air Circuit Breaker (ACB)
111. Transformer Monitoring and Maintenance Procedure
112. What is Split Range Control?
113. Cascade Control in Systems
114. The Role of Neutral Grounding Resistors (NGR) in Power Systems
115. Difference Between Supply Air, Return Air, Exhaust Air, and Fresh Air
116. Why Harmonics Occur in Electrical Power Systems
117. Type K Thermocouples: Common Uses
118. What is a Transformer?
119. Oil Filling Procedure for Power Transformers
120. Understanding Rotor Angle Stability in Power Systems
121. Golden Rules to Avoid Electrical Fire
122. What if Your DP Flow Transmitter Shows a Reading of Zero?
123. How Electricity is Delivered to Our Grids
124. Why MCBs are Typically Connected Before RCCBs
125. Transformer Pressure Relief Valve
126. Transformer Switching of Tap Changers
127. Do More Sunshine Make Solar Street Lights Brighter?
128. Diesel Generator Main Exciter Failing: Rewinding Rotor and Stator
129. What is an Anti-Surge System of a Machine?
130. Common Mistakes in Using Batteries
131. Capacitive Power, Reactive Power, Apparent Power, and Power Factor
132. How Generators Maintain Constant Terminal Voltage
133. What is Capacity Utilization Factor (CUF)?
134. What Happens if Transformer Current Exceeds 90% During Long-Term Operation?
135. Air Balancing for Air Handling Units (AHU)
136. Types of Motors That Can be Used with VFDs
137. NEMA Motors: Classification by Standards and Specifications
138. What is Grid Stress and How to Reduce It?
139. Maintenance of Electrical Earth Pit
140. What is a Capacitor Bank?
141. Do We Need to Earth Solar Systems?
142. Difference Between PLC and DCS
143. Components and Functions of Medium Voltage Substations
144. Predictive Maintenance
145. ACB vs. MCCB vs. MCB
146. How to Perform PV Mounting Structures of Solar Panels
147. What is Meant by DMT and IDMT?
148. Difference Between Relay 50 and Relay 51N
149. Everything You Need to Know About Organic Solar Cells
150. What is generator governor and exciter//
151. Why Non-Metallic, Non-Magnetic Material Gland Plates are Preferred for HV Cable Glanding
152. Why Can’t We Use Big Capacitors Instead of Batteries for Energy Storage?
153. What is protection relay test?
154. What is 1P2W, 1P3W, 3P3W, 3P4W?
155. Direct On-Line Starter (DOL)
156. Tan Delta Testing
157. What is Charging Current in Transmission Lines?
158. Benefits of Buying an Efficient Central Air Conditioner (AC)
159. PVC Cable vs. XLPE Cable?
160. Zig-Zag Power Transformer Behavior During Unbalanced Faults
161. Configuring VFDs in Siemens TIA Portal
162. PID Tuning of Control Valve
163. Remanent Flux
164. DC-DC Power Converters
165. Components of an Electrical Substation
166. Importance of a Fully Charged Inverter
167. Maintenance KPIs
168. Temperature Instruments and Their Ranges
169. What is Pump Vibration Analysis?
170. Why Don’t Birds Get Shocked on Power Lines?
171. Generator Grounding Methods
172. What Happens to Insulation Resistance with Cable Length?
173. Why Transformer Oil is Essential
174. Steady State vs. Transient Conditions
175. Difference Between Earthing and Grounding
176. Personal Protective Equipment (PPE)
177. Motor Starting and Protection
178. What is a VRF System?
179. Chiller System
180. HVAC Basics
181. Difference Between ELCB, RCCB, and MCB
182. Why MCCBs Have Higher Current Ratings
183. What is KA Rating of a MCB?
184. Difference Between VCB and ACB
185. What is Meant by 11kV, 33kV, 66kV?
186. A Customized Battery Pack for Home
187. What is a Battery Bank?
188. What is a Cable Tray?
189. What is a Neutral Grounding Resistor (NGR)?
190. Cable Joint Crimping
191. What are Cable Insulators?
192. Drilling Holes for Cable Glands in Panel Plates
193. What is an Insect Killer Machine?
194. Mounting and calibration of proximity sensor for radial and axial displacement?
195. What happens when chiller is in surge mode?
196. Power Factor Correction Capacitor in Pumps and Motors
197. Significance of CT Star Point Formation in CT Secondary Winding
198. Need for Motor Starting Analysis
199. What is Thermal Imaging?
200. Purpose of VRF Systems
201. HVAC acousticsd design and testing sound chamber
202. THE ROLE OF INSULATION AND VENTILATION IN MAINTAINING OPTIMAL INDOOR CLIMATE?
203. What is a Time Current Curve?
204. What are the Transformer testings?
205. Do we need a cap bank with a Diesel Generator ?
206. Are we using Power factor correction wrong way?
207. What is Generator Circuit Breaker Testing?
208. Why does Transformer rated in kVA not in kW?
209. What is the significance of Protected Unit Scaling Factor in relay setting calculation?
210. Gulf Countries (GCC) Common Grid Network
211. What is Duck Curve ?
212. FIVE IMPORTANT FACTS ABOUT COMMERCIAL BUILDING COOLING SYSTEMS:-
213. How Can Energy Storage Systems Help With The Stability Of Smart Grids?
214. Solar Panel Types and their Efficiency………………….
215. What is meant by K Rated Transformer?
216. Diesel Generator Rotating Diodes Testing
217. HV Cable Ratings – Buried in Backfill (Thermal Resistivity)
218. What Challenges Will Energy Storage Systems Face In The Future?
219. Gas Insulated Substation:-Components, Testing, and Commissioning Process
220. What are Static Var Compensators (SVCs)?
221. Interview Questions for Solar Plant Operation & Maintenance (O&M) PV Technicians:-
222. What is Load flow analysis?
223. Professional Development Path in Building Information Modeling (BIM) as a career
224. What is meant by 5P20 in the current transformer?
225. Why are large capacity generators not solidly grounded??
226. Different types of electrical diagrams
227. 800kva battery DB Wiring diagram
228. Important Electrical Engineering Software
229. Electric fires and how to approach?
230. NGR Connection ( Neutral Ground Resistance)
231. What is Hi potential test or hipo test ?
232. Exploring the Importance of Electrical Live Phasing Test for 11kV Switchgear
233. Steps involved in performing arc flash studies as per IEEE 1584 -2018 ?
234. Transformer Energization Study
235. Capacitor | Inductor | Resistor
236. Facts about Lightning
237. Load Flow Analysis
238. What is Breakdown Voltage Testing (BDV)?
239. Have you seen the brain of an ACB?
240. What is the reason for yellow color in turbine blades?
241. What is Sheath Voltage Limiter (SVL)?
242. What is meant by Transient Recovery Voltage (TRV)?
243. Types of Overvoltage
244. Components of Grid Sub-stations (GSS)
245. What is Current Transformer?