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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to Select a Transformer Rating ?

Tata Steel Limited, Techno Electric and Engineering, Vedanta,

3 4822

OHMS Law is only applicable for ac or dc or both circuiT?.

 6 5423

How can we convert the motor to generator and also generator to motor

Aesco,

2 2987

3 pahase 750kva Running 2 DG sets in 35 mints.525ampers. and 616 kw how much fuel consumption in Generator.what is the formula.

Delite Systems Engineering,

1 1790

We are installing a 1.6 MVA transformer at our crusher plant and the feeder of HPSEBL is 2 km away at substaion . and a VCB is installed in the substaion which is 2 km away from transformer so we need another VCB near the transformer.

SCPL,

2 2765

What is resistance of 50meters, 16sq.mm, single core copper cable?

 1435

Why we are mention U1, V1, and W1 in primary side of transformer give technical reason

 1 3286

line and phase voltage relationship?

CPCL, IVRCL,

2 3025

What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

 1540

What is the loss of power of transformer 220kv/33kv,63/80mva of % imp12.05 at 80%load

 1388

How to use computer cpu ups use for home inverter circuit board

 1278

slipring induction motor starting time Lrs operating why lrs starting time lrs outer body didn't get shock

Ramco,

1458

How to operate a ac chilar plant?

 1945

How to maintain ac plant?

HCL,

1506

Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

Power Plant,

1393

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Un-Answered Questions { Electrical Engineering }

How to test IR testing & magnetic balance test

1480

advantage and disadvantage of team work?

1251

Single phase and threephase power calculation

1643

3phase motor can be used as a Prime mover for alternator.

1161

what is the illumination level required for child play area?

1603




PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

7003

CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1411

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1191

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

1465

What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.

2113

Why we are use dol starter up to 10 hp

932

What are the special cables required for explosion proof wiring?

15624

in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

1400

What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1560

What are the different methodes for calculating the short circuit Current?

1492

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