Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS THE PARTIAL DISCHARGE TEST?

ME,

757

If u have Powergrid model question papers Please send to below mail ID rajutheprince@gmail.com

889

what about the power of wattmeter at starting and loding?

TATA,

834




how many type of of electrical fuse please explan?

9 24731

In india the power supply is always in multiple of 11, eg.220 V, 440 V... what is the reason?

BSES, L&T, Electrical, PSIT,

11 14369

Can any horizontally mounted motor be used as vertical?

5 13867

Why neutral grounding Transformer provided for generator?

Siemens,

1 2172

What is the type of earth fault protection used in battery? explain.

PSEB,

1032




What is the difference between body earthing and neutral earthing?

2 20789

What do you mean by creepage distance?

Amara Raja,

4 12539

What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

Alam Group of Companies,

869

What will happen if the oil level in the buchholz realy of a transformer gets down?

3 3443

A CT is marked as 10VA 0.2FS in its name plate. What is it? Where it is used?

1 9205

What is the difference between Generator Differential Relay and Transformer Differential Relay?

890

Can anyone explain how the vector diagram of a transformer which doesn't have name plate be found whether it is Dy11/Dy5/Yd11 and so on?

TATA,

4 8336


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Un-Answered Questions { Electrical Engineering }

How RTCC panel is working and give single line diagram for RTCC with transformer?

1793


How to connect the chemical earthing and complete process tell me plz

613


Define early construction of human being

596


A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?

940


why the neutral point in connnection oscillates?

920






HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

529


what are the application of over current relay?

2754


how can I calculate charging current of cable/overhead conductor? what is roll of voltage in it ?

2290


What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

790


How to calculate phase to phase difference ?

855


what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

685


Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

657


How can calculate the rating of a servo stabilizer for given a specific load

2103


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

565


what is servo motor & how does it work.

657