Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the importance of setting TSM & PSM?

2 49446

what will happen ac motor give to dc supply

Areva, College School Exams Tests,

9 12175

what is Wave Trap? And its Function ? Detail? Where it is Used?

7 82790

what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

Lanco,

8 10785

Why the earth terminal pin is larger than phase and neutral in three pin plug top>

TVS,

8 15707

We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

12 16333

why ct ratio always rated 5.

1 4392

why CT out put is 5 what ever the primary current.

2 5900

Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

1971

what is the disadvantage of leading power factor...why can't we use it (pf=0) for a long period of time?

Appco, snsce,

10 35931

how can you size an automatic voltage regulator?

2321

is it possible to use a tranformer to regulate an unstable system voltage?

3 5469

Why Neutral Isolation is required?

2194

what is the diffrence between resistive load and capoasitive load.?

4 6511

what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 3929

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Un-Answered Questions { Electrical Engineering }

What are the common sources of energy?

1056

WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

2246

What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

2425

what will happen if OLR CT in all phases are short circuted

2141

What is installed in PAC that is control the humidity

1480

how cables go in and come out for distribution from the feeder pillar box?

2057

for 5KW resistive load can anyone please suggest me whether to go for UPS/Inverter or Generator depending upon cost calulations

2050

What is meant by positive and negative feedback?

1017

What is Plank's Law?

1121

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1869

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

2207

How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

2181

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1756

what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

1955

what happens to the supply voltage if there is any change in frequency?

6371

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