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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

GE,

1 5092

in which direction real power and reactive power flow and why???????

3 10226

WHAT IS MEANING OF VECTOR GROUP FOR TRANSFORMER

2 13593

Explain the operation of damper winding

2 5421

can we use ELCB and RCBO in one db

6 9387

what is vtg limit of earth and neutral at transformer side?

IOCL,

1994

Which element has power dissipated in it when the source is removed ?

SSC,

2 5292

Transmission through a short line depends on

2208

Negative feedback circuit is an implication of ? -Shunt shunt -Shunt series -series series

1 3422

Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 6361

Latching current is slightly less than ?

2 4374

Which of the following plant has less plant factor ? -Nuclear -Hydro -Diesel -Pumped storage

1 3423

Capacitors are used to ... -Reduce the bill of the farmer -Improve the PF

1 3636

At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

2 5271

Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

1865

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1849

in shunt clippers why a resistor is used in sereis with the input

2030

how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1983

how to determine the inrush current of a transformer

2575

What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

3996

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

1981

What is star-delta transformer?

1152

What is CCM in Electrical ? where can we use this material?

1421

What are the different types of hydro schemes?

1202

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1558

How it can worked plc based electrical system And which type of software using.

2066

is it possible to test of bus bar in high rise building without completed full floor ?

1643

sir, Is their any measuring unit of knoking? please explian?

1845

What is mean 2XWY

2447

How vfd saving power.

1988

For More Un-Answered { Electrical Engineering } Questions Click Here