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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

NTPC,

2 5556

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

 1494

What is 2P*0.5 sqmm screened copper cable and what is the use of it..?

 1 2800

A MACHINE WHICH HAVE 1000rpm SPEED IS LARGER IN SIZE AS COMPARED TO THAT OF A MACHINE WHICH HAVE 1500rpm.WHY ?

 2 3610

any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

 1433

What are the specifications for conducting earth leakage test as per IEC standard?

 1495

what is the difference between neutral and earth

LOreal,

1545

Why stones are layed under Transformer

 4 4165

What is FM 200?

Dalkia,

2 4528

how to calculate relay rating for 50kw load

JNU,

1 3366

hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?

 1417

how to select the isolation tranformer for siemens 802dsl cnotroller

Siemens,

1587

what is the meaning of the symbol << >> put in transformer drawing

TATA,

1437

On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

TNEB Tamil Nadu Electricity Board,

2105

On a 10 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 65 AH). What Shall be the current rating of DC MCB ?

RR, TNEB Tamil Nadu Electricity Board,

6 13282

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Un-Answered Questions { Electrical Engineering }

what are the applications of PLC?

1528

Is there chopping current in resistive circuit

1527

Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

1741

electrical

1786

How much load can take a 16 mm aluminum cable 3 phase

1248




What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

1538

The efficiency of a 100kva transformer is 0.98 at full load as well as half load , for this transformer what is the Copper loss at full load ?

1789

How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

13281

size of condotory fron voltage level

1711

HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

2156

acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO

1819

What is the role of Dedicated earthing in UPS System?

2617

what is servo motor & how does it work.

1487

Why is remote backup preferred to local backup?

1477

what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1886

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