Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is open loop and control loop systems?

663

What is the control action?

611

What are linear and non-linear systems?

619

What are dcs and plc?

651

What is mason's gain formula?

745

How many types of instrument cables are there?

603

What are the reasons for the parallel operation of transformers?

591

What are the significant parts of dc generator?

596

What is meant by rotor?

771

What is meant by turbo alternators?

628

Define coil span?

604

How to minimize the eddy current losses?

615

What is meant by short-pitched winding?

625

What are the advantages of autotransformer?

734

What is an ac motor?

655


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Un-Answered Questions { Electrical Engineering }

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1440


how to electrically make connection to ferroli GN2N?

1439


what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

1793


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

2256


How to megger test 11 kV cable and the acceptance IR value

2412






how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

1639


what is ps impedance test

1635


how technical is calculated in 11kv line and lt line

1434


Wind mill

1392


we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1462


what is the function of gss in the dg set.

1449


why we use circuit breakers for switching instead of normal switching device?

1390


- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2209


how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

1817


How good are you in resolving the commercial issues to Employer's advantage?

1850