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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Is there any standard guidelines/Criteria to design NGR/NGT.?

 2356

what is Real power and Reactive power ? what is difference between them ?

 5 6458

why DC motor body is plain cover but AC motor is different like finse?

 2 4759

how will be power factor while using the resistive load and Capacitive load?

 3 4528

what is ups Paralleling? how is load sharing at that time ? what are the things we have to note that time?

 1 3566

how is working the auto transformer?

 1 4268

how is working the APFC when varying the load?

 1 4848

what is static switch where it can be use?

1 2863

what is the cable size we can use for 11kv and 33kv ?

 3 9965

What is rotating transformer? Which machine is used specifically as rotating transformer?

TATA,

3 6504

If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

IOCL,

7 12325

What is the working principle of VFD

HCL,

3 18823

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

 3 12016

How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

 1 4812

how to calculate single phase motor efficiency ?

Bhel,

1507

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Un-Answered Questions { Electrical Engineering }

wow to calculate the transformer rating(KVA)

1668

Why compensation is necessary in feedback control system?

763

why we are using earth pit in sub stations.?

1552

TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?

1466

What is dynamo?How it works and what is the function of dynamo in a DG.

1579




What is the lower limit of break-down voltage of converter transformer.

1445

We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible

1490

how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

1631

what are the application of over current relay?

4212

What is frantic effect?

692

When can we take Neutral as common neutral link?

1209

Yazaki india pvt ltd interview questions qurey related

519

What is a DC series motor?

708

how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

2485

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

1802

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