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AEPC
3.0
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20+ Aarna Cyber Defender Interview Questions and Answers
Updated 5 Feb 2024
Q1. What is PTW and how many types of PTW are there in maintenance of equipments.
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Q2. What is the function of evaporator & compressor in HVAC system ?
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Q3. Engineering point of view how we will increase the life span of MEP equipments ?
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Q4. What is energen system and used for which part of facility maintenance ?
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Q5. What is the standard temp. We maintain in server room & UPS rooms as per Ashrae rules ?
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Q6. Which extinguisher is used for each class of fire ?
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Q7. What are advantages & disadvantages of power factor ?
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Q8. What is the frequency of IAQ (Indoor air quality test ) in HVAC system.
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Q9. What were protection relay used in busbar LV & HV systems.
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Q10. What is harmonics filter and why it is used ?
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Q11. What is process of Utility invoice submission ?
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Q12. What is LOTO system and their uses ?
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Q13. What is rectifier and how it works ?
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Q14. Draw block diagram of refrigerant system ?
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Q15. What is PNP & NPN diode ?
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Q16. How PAC works in server room ?
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Q17. What is power factor ?
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Q18. What is Over current relay ?
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Q19. What is IDMT in relay ?
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Q20. What is lighting arrester ?
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Q21. What is Isolator ?
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Q22. How does FAS works ?
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Q23. What is impedance ?
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HQ - Gurgaon
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