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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why?

HAL,

4 10358

What is the full form of SON-T lamp?

HAL,

1 11800

When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1902

why we did not get shock by touching +ve OR -ve busbar (Which are going to supply cell voltage) of Rectifier- Tranformer in electrolysis plant?

4 7276

why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 12159

whats the necessary to correct the power factor using capacitive banks in industries?

2 4740

what instruments used for measuring of inductance and capacitance.

2 6954

can transformer work on dc or not?if we increase the inductance of transformer can it happen to work on dc?

1 3881

One VFD is possible to connect two motors at the same time?

2 7088

how to save the power?

2 4658

How many different speeds can be obtained in cascade control of two induction motors?

1 3113

how harmonics are generated due to nonlinear load & how harmonic filters work?

1 5228

why we are using earth pit in sub stations.?

2167

What is the difference between generator and turbo-generator

iGate,

5 23362

1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 5244


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Can we use Ccapacitive voltage transformer directly for metering purpose?

1861


what type questions asked in hp cl

1862


How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

2043


A 50Hz,4-pole,3-phase,star-connected synchronous motor has a synchronous reactance of 12ohmsper phase and negligible armature resistances.the excitation is such as to give an open-circuit voltage of 13.2kilovolt.the motor is connected to 115kilovolt, 50hertz supplying. what maximum load can be the motor torque,line current and power factor?

2433


What is mean by hot and cold loop testing?

1091


How to distinguish whether MCB is DC or AC looking at it physically

1971


what percent do you derate your copper wire when you change from copper buss to copper wire

1990


How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1895


After synchronization with grid what is the demand value QKVAR and how we will maintain that?

2265


Why does the rotor rotate?

2275


internally connection of photvoltic module

1925


state working of halogen lamp?

1823


how is the testing of an REF relay? what are the test REF circuit having?

2002


how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

2075


HOW WORK HEAT PLATE EXCHANGER

1992