Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to Select a Transformer Rating ?

Tata Steel Limited, Techno Electric and Engineering, Vedanta,

3 6612

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

6 7188

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

Aesco,

2 4021

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 2425

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 3733

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

1892

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

1 4170

line and phase voltage relationship?

CPCL, IVRCL,

2 4099

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

1998

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

1838

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

1788

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

Ramco,

1934

How to operate a ac chilar plant?

2484

How to maintain ac plant?

HCL,

1954

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,

1913

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Un-Answered Questions { Electrical Engineering }

what is meant by carrier aided trip protection in transmission line

3926

What happens to a motor if it is connected in Delta connection

1059

How to calculate Ith (I thermal) for curent transformer

2083

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 ?

2654

transformer phasor diagram under load explain it?

2190

What do you mean by distribution transformers?

1157

what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

2286

what may the reason for vector shift in a generator?

1871

please give me solution to rectify the emi(electromagnetic interference)

1910

what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

2367

Electrical Engineering

2067

What is the earth treantment procedure?

2075

A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

3061

What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

2162

what is kvarh? Please define it With calculation General motors ?

1166

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