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 vvvf in the dumbwaiter?? or lift. what is the actual process?/

2093

what is motor?

UIU,

2 5850

what happens if you swap F1 and F2 connection in the exiter of the generator?

1 3617

TNC switch is also available in 1NO+1NC. What does it mean ?

1 6874

What is a variable speed motor?

3 6550

what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

Sanelec,

2 6865

Please mention any books for electrical design load calculation for industrial,commercial(to select cable,breaker,bus bar,stator,)

C&S,

1 3210

Transformer calculation

Aramco, LMW Lakshmi Machine Works Limited,

1 7480

why the voltage and current in a long transmission line are called travelling wave?

UIU,

2218

for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

SCCL,

2586

which of the following elements is not present in stainless steel

LASA,

2534

What is voltage

4 9195

what is protections used for 6.6kv ht motor

OEG,

2 4525

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

Gujarat Electricity Board,

2987

In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

2242

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Un-Answered Questions { Electrical Engineering }

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1610

what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

1933

What is the dc grounding system and what is diff between AC/DC grounding system?

2118

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

2076

what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2156

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1144

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1887

what is the purpose that we use PLC system in power system

5087

can i use ups power as a raw power for another ups

1983

After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.

1980

What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

2191

temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1921

What is the Resposiblity of Electrical Utility Engineer

2924

Why the arms of delta in a delta-wye power transmission system are kept constant??

1871

What is the method of estamating of cable, CB,MCB ?

2170

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