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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

DG use Rating KVA why

1 2407

what is the difference b/w earthing and grounding??

Dodsal,

2 3203

Why the colour of insulator is always is chocolate in colour?

MRF,

1 5796

Why the colour of insulator is always is chocolate in colour?

Bhel,

3 9905

why ups rated in kva

MRF,

1 6596

Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response

1954

why an ideal voltage source has low internal resistance????

1 2277

what is static frequency converter?what is the function...of sfc...?

L&T,

1293

what is the formula for hv test for cable and circuit breaker..????

1035

what is difference between 5A and 100A CT constructional wise and operation?

1 2183

what is the advantages og idmt relay over magnetic relay??

Bhel,

3135

what are the problems are there if power factor is leading

NTPC,

3 4356

what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

TATA,

1 4269

what is differnce btwen lll and lllg faults

999

Why in Hv transmission line as we see there are generally 6 or more than 4 conductor wires are used instead of 4 i.e. 3 for phase and 1 for neutral wire?????

2 3169


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Un-Answered Questions { Electrical Engineering }

How can we increase fuel-power ratio of any DG set?

892


Why use in ht motore

740


sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

1163


what is LSR?

1004


I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

1078






ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

1029


Benifits of 3ph 4 wire metering over 3ph 3 wire

1519


how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

1278


dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?

1028


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

552


what is meant by directional earth fault and non directional earth fault? describe both.

1021


Iwould like to know barc interview questions

2096


how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

1131


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

941


How to calculate the heat load for a electrical room

2090