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Basic Electrical & Electronics Interview Questions & Answers

Electrical & Electronics Interview Questions & Answers

Basic Electrical & Electronics Engineering and Technology Interview Questions & Answers


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  1. If we took a cheap portable generator and remove the engine that drives it, attach it to bike pedals or turbine blades and run it on humanpower or steam, will it work just the same? Thank you.

  2. I need some help to see if there is a solution that will involve not using a generator. Are there any batteries that would be capable of operating a table top food warmer with a 400 watt heat element and 100 watt bulb? If there are, what would be the max duration the warmer could reasonably function. The idea is to make a portable food cart bicycle. Most hot dog vendor bicycle carts use propane but will make food soggy. I just need a warming device for items like pizza or bread sticks, food you don’t want steamed. A generator would be too loud for a small bicycle food cart. Are there any batteries or innovative ideas that could work?


  3. Pls explain the following and how these are workingwith PLC

    1.I/O module Card
    2.I/O Bus
    3.RS 485-FC
    4.Adaptor Card
    5.Ribbon Adaptor

  4. Hi,
    I bought a mobile phone from USA a Sprint samsung galaxy s2 d 710, a CDMA phone, it means they have not a sim slot (they have only an SD memory card slot.). I found in the market a device comprising the sim card slot and the SD memory card slot together.
    My question is: Can I remove the old device which has only SD memory card slot and replace it with the new one comprising the two slots and put it on the motherboard ? Can this new device work properly whithout problem ?
    Best Regards

  5. The phase voltage of a 3 phase source are V1(t)=100cos( t60o), V2(t)=100cos( t+60o), V3(t)= -100cos( t) this source is————–

    a) Balanced and positive sequence b) unbalanced and positive sequence
    c) Balanced and negative sequence d) unbalanced and negative sequence

  6. i want an alarm which rung only one time after the electricity comes than automatically turn off any body can help me about it

    1. Keep your fan light switches turned on while the electricity is gone. When electricity comes they’ll start operating. Best alarm ever.

  7. Can I know the formula to calculate the genset capacity? For example, what are the genset capacity for 50amps PRIME power and 50amps STANDBY power ? Thank you.

  8. can i take the lcd screen from a vehicle dvd player and connect it to a head unit to operate as a video display?

  9. Thank you – this is the most useful post I have ever come across with respect to Electonics Interview Questions! I can’t tell you have much time and effort you have saved me by listing all these fabulous Questions and Answers and tips.

  10. I have my interview this week, was searching for best questions and answers for electrical deign your article contents best questions it helped me a lot its a great share.

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