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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the normal earth resistance?

11 24370

WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

GE,

3129

what is SWA type of cable?????

4 6221

I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.

1 3926

What is the function of automatic Transfer Switch(ATS) in details

3 22581

Why Delta Star Transformers are used for Lighting Loads.

6 23440

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1083

Define the overload capacity of the motor?

1173

Why is starter necessary for a three-phase induction motor?

BMM, Essar, Hero MotoCorp, ITI, Maruti Suzuki, Supertech, Watt,

37 155582

What is the need of motor starter?

6 9571

What are the advantages of star-delta starter with induction motor?

Merchant Navy, Naval Academy, Samundra Institute of Maritime Studies, YMCA,

7 41572

What are the advantages of DOL starter?

7 33690

Why is the starting current high in a DC motor?

2 10047

How will you determine the rating of a motor for continuous duty variable load motor applications?

1 2997

Enlist four components of electrive drives.

1058


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Un-Answered Questions { Electrical Engineering }

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

1269


why we are using Load factor?

697


How to test REF relay testing for LV panel as per Kahramaa standard?

2467


What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

999


suri transmission

3714






If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1101


1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

1255


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

985


What is core CT & it's function?

1306


Why is tan-delta test and capacitor measurement done on alternator?

1211


When and where resistance earthing is used ? How to calculate the time constant for earth fault

970


what does a string of resistors in a series will do?

279


what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

1263


What do you mean by Frame 5 Gas Turbine as well as Mark II.

1638


What is VCB? where it is installed at SP. What is SP?

1312