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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why red,yellow,green colours lamps are used in the traffic control?

Samtel,

2 6129

What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 3317

Why heat produce in AC machine higher than DC machine?

2 5539

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 11715

my name is venkat .i have good percentage in my academics(ssc 86, intermediate 83 b.tech 73) my question 1..after completion of my ssc i joined in bpc but i didnt got rank in emcet so i completed MPC in one year compartmentally ..so here what am expect question from this background?

1884

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2111

How does a digital electronic meter work??????

2006

how much test voltage should applied for tan delta test.

Electrical, TATA,

2 5600

What is 11 N1 and 12 N2 in single phase Transformer ?

1886

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

NA,

2245

While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.

2 4546

What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 4265

What is the difference between neutral and ground?

Cethar Limited, Torrent Power,

3 7883

How many types oil using in transformer ? How many letars using in transformer..?

TATA,

2052

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

NTPC,

2096

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Un-Answered Questions { Electrical Engineering }

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2246

DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

5185

Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1530

whats the differece between Exd and Exe

4859

how we calculate the dick for a pole?

2144

what is relay what is protection & contact multiplying relays where it is used function in brief

1129

What is the most essential condition for the voltage build up for a d.c. Shunt generator?

1109

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

1957

What are two contours of nichols chart?

1020

Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1981

Define newton's law of viscosity.

1148

how are reversing the direction of rotation of dc motor

1724

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2741

howmany electrician should maintain for a 1000 kva used plant... in kerala..

2068

How you give clearance to a spare feeder.

1652

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