Electrical Engineering Interview Questions
Questions Answers Views Company eMail

compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1267

What are all the conditions to protect generator & turbine in thermal power plant?

Power Grid,

1 3263

What is the need of generator relay panel

Newell,

1512

What is function of Diesel Generator?

Bhel,

2 3455

why dc motor runs slowly when dc supply is given?

L&T,

2 4522

What is difference between wire and cable ?

Havells,

3 6359

how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

Sandhar,

1397

if we have a power factor 0.99 and we add a capacitive bank with it then what happen?

University,

4 4066

15 kva dg set single phase takes 63amp( approximate) while same rating 15kva three phase takes 35amp approximate. why ? and what will be per phase current for 15 kva

TVI,

2 2924

What is slip in induction motor?

3 3187

Can we calculate the P.F if we know the only load on alternator .

Medha, Medha Servo,

1 4373

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

Cesco,

1404

What is the multiplying factor if line ct ratio is 1000/1 and meter ct ratio is -/5 ?

1 2384

how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

TK Group,

1484

how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?

TK Group,

1315


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Un-Answered Questions { Electrical Engineering }

why US countries maintains 110v and 60HZ

1715


The loads are connected with phase and ground then why current flow as the loads ?

1469


block diagram of 2 ups system connected in hot stand by mode?

7479


On what cycle does thermal power plant operate?

639


how to calculate the Neutral transformer impedance?

1818






upto how many load can v connect to stabilizer which is used for tv

1716


what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2306


what is the difference between c power and U power acb breaker

5257


what is Different between Bilinear and Unilenier?

1640


Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

1343


what is the ms flat constant for calculating earth mat design calculation?

2003


1)Explain why the cradle guard is used on railway crossing in overhead line construction?

4382


List some examples of renewable energy?

765


main difference between ac and dc?

1197


Difference of induction motor & servo motor ??

1293