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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What are the different condition monitoring techniques for a motor?

DAE,

1 2459

what is the difference between the characteristics of two different phase bushing of any transformer

NIT,

1158

If a HV Underground Cable (13.8KV) is layed in the ground below 1.5 Mtrs and any building construction is done on the Cable route. IS this allowable or Not? What should be the clearance. As per ISO construction on HV cable route is safe or Not? Why? Can any body suggest the site for my question?

ZCL,

1 1775

What are the protections for HT Motors?

BARC,

1 2224

what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

1158

How many type of ht insulator with name

Bhushan Power Steel,

1 2375

Safety of on line ups

Bhushan Power Steel, GE,

1320

What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

MSETCL Maharashtra State Electricity Transmission Co Ltd,

1103

How to test IR testing & magnetic balance test

1330

at work we have a 3 phase motor but on testing one phase isnt getting a reading. it runs 24 hours a day all week. stops and starts well no noise or heating. the phase isnt down to earth.is it just a bad meter reading or not? phases one and three came up with a resistance reading of 0.4 but phase 2 couldnt get anything shows up as open circuit.

iGas,

1018

I completed iti in2004 I was worked in A grade contractor can I get c licence

1098

Difference between drift current and diffusion current?

1133

why the secondary current transformer cannot left open

1 2633

Difference between transition and diffusion capacitance

1932

What are books to be referred for KPTCL exam?

3038


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Un-Answered Questions { Electrical Engineering }

What is the permissable nutral current of three phase system as per IS standards?

1351


I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

1351


errection check list for transformer maintenance

1964


Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?

3013


I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

1232






How may I enrol or get admission to your program?

1320


A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

1194


What is the emf equation of a transformer?

484


What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

2293


What is difference between safe PLC and normal PLC

835


what is the safety points of vaccum circuit breaker.

1471


How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

1272


What is the BS(British Standard)code for 11kv motor

3950


why Lightening Arrester Probe sharp at Top of telecom tower.

944


WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

1886