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 5680

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

1538

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

1 2942

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

2 3708

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

1488

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

1562

what is the difference between neutral and earth

LOreal,

1593

Why stones are layed under Transformer

4 4315

What is FM 200?

Dalkia,

2 4636

how to calculate relay rating for 50kw load

JNU,

1 3435

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

1481

how to select the isolation tranformer for siemens 802dsl cnotroller

Siemens,

1643

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

TATA,

1490

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,

2168

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 13553


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Un-Answered Questions { Electrical Engineering }

can we find the inductance of a induction motor?

1590


explain all the classes with example

1529


1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1578


How to calculate LT XLPE CABLE for 11 kv / 433 v , 1000 kva oil type transformer system?

1386


IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

1670






In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

2820


Define noise?

761


In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

1693


can we synchronize star system generators with delta system transmission line ? and how ?

2343


What is a DC series motor?

769


does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

1454


What is the different between digital phase converter and ordinary phase converter?

694


how can we determine size of a cable by knowing the kw or current rating of a load?how can we calculate the resistance box of a slip ring motor?

1365


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

1562


any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

1252