Just Crack Interview

Electrical interview questions – page 4

1,095 questions. Tap “Show answer” to check yourself.

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  1. Use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how

  2. 1hp=how much rpm

  3. AIR CONDITIONERS HAVE RATING IN BTU AND TON OR SOMETIMES IN KW ALSO... WHAT IS THEIR RELATION?

  4. While DG is on Load? we can start the capacitor bank?

  5. How much current can a 3-1/2 core 100 mm wire carry?

  6. WHAT IS TRANSVERSE WEIGHT SHIFT DUE TO DRIVE TORQUE?

  7. What's the outstanding feature of universal motor?

  8. In what voltage EHT works(133/132/33/66kv?

  9. In transformers Which type of connection is preferred for harmonics to be minimum.primary : secondarystar without neutral:open deltastar with neutral :open deltastar without neutral: deltastar with neutral : deltaexplain why

  10. How many types of relay are present in a VCB and ACB, what are the tests we can conduct on both breakers and how to set the relays values

  11. What is corona effect?

  12. WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

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  14. What is exat meaning of compentation in RTD ? what diffrent between 2 wire,2 wire and 4 wire RTDs?

  15. Give the expression for CMOS switching power dissipation?

  16. Frequency at which VOICE is sampled is?a) 4 KHzb) 8 KHzc) 16 KHzd) 64 KHz

  17. What is the Full form of Rccb,MCCB,

  18. What is kvarh? Please difine it With calculation

  19. What is the meaning and full form of AYFY CABLE?

  20. What is ASCR cable and where we use it?

  21. Why Hg means mecuiry used in vaccum mesuring unit?

  22. What is the formula for converting KW into KWH ?

  23. What are the types of electromagnetic forces developed inpractical transformer?

  24. Which has more losses, AC or DC??

  25. Explain about SOURCING & SINKING concepts in PLC to field sensor wiring ?

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  27. Corona happens more in summer or winter?

  28. What is the power factor of choke coil used in tubelight

  29. Why transformer rating in KVA?and Generator also?

  30. I have a MRE200 amplifier for controlling a mitsubishi servo motor, I would like to know how many pulses are required to rotate the servo motor by 1 degree and what must be the pulse width

  31. WHEN THE CORONA IS MORE?.,WHETHER WINTER OR SUMMER?

  32. Why Na lamp is used in polarimeter?

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