Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how a resistor resists to flow the current?how an inductor oppses the sudden change in current?how a capacitor opposes a DC voltage.

Hindustan Unilever Limited,

2282


what is stper motor.what is its uses

Bhel, HCL,

9 11145

In IDMT RELAY the term minimum (M) indicates what?

7 8306

why we can use 1 to 5V dc

1502

What is the basic difference between earthing, ground and neutral?

Balco, Cognizant,

11 42483

When neutral is grounded in electrical circuit?

Balco,

9 9829

Where -48 volt DC use & why?????????

Ericsson, INDUS, Indus Towers, Telecom,

10 29021

how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

1623

which motor gives constant speed?

7 7092

wat will be the pressure maintained inside the transformer?

2 3807

wat is the difference between rotor 1st stage fault and 2nd stage fault?

3 4688

which electrical supply used for long distance traction 1.1-ph 22kv a.c 50hz 2.2-ph 22kv a.c 50 hz 3.dc vtg 4.1-ph 22kv 150 jhz

Power Grid,

3 4903

What are instrument transformers?

6 9060

how can we calculate the reactence of the current transformers?

1822


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Un-Answered Questions { Electrical Engineering }

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1256


The principle of switching circuits for different types of batteries in application of storage systems

1523


What are the advantages of hydropower?

650


How much of the total hydro power potential has been exploited so far in india?

616


can you plz send l&t aptitude questions if available its urgent plz plz plz

1643






Why colled 440V to 3-phase supply.

1668


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

9686


Tell me about ur past electrical maintanence job

1424


what causes contact chatter when there is no demand on the air conditioning unit?

1607


Sate maximum power transfer theorem?

688


why chock were used in old tubelights but are not newest tubelights?

1445


What does the term supermesh means?

652


Dear Respected sir how to test ABB REX521 protection relay by relay tester.

2293


Working of microwave oven?

1784


Is neutral transformer can be called as control transformer?

1510