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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why fault current time duration is calculated for 1 minutes?

Rockfort Engineering,

1 1780

why fault current always calculated for 1 seconds?

Coca Cola,

3 4086

what is the difference between ac motor and dc generator

ETA,

1348

What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?

ABB,

1 2548

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

Surana,

1467

if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

Power Plant,

1350

what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

 1 1993

Which cable is use for rtcc control panel

 1393

impliment (AB)`+C to transistor representation

Ascent,

1441

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

 1280

how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

 1264

To generate electricity , what is the speed of rotor?

JEC,

1 2664

why we use 630mm single core cable for transformer secondary side and why two neutral cable

Technicare,

1465

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

DAE,

1243

WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

DAE, Siemens,

1 2931

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Un-Answered Questions { Electrical Engineering }

Explain Continuous and Discrete signals?

1359

1.4 What is meant by CT knee point voltage and how would you determine it

1251

We have two parts in generator, electrical & mechanical. how it works?

1565

If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

1602

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

1750




How to calculate Number of Earthing Pits....???

1196

Whata are the types of Cables?

1669

How you will determine the volume of oil in a particular Distribution transformer.

1506

Do you know what is dry-out test in x'mer

2285

what r substations?what r there work?why voltages r incresed and then reduced during distribution of power

1531

How you give clearance to a spare feeder.

1281

wat is meant by PX class in ct?

1644

3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

989

Determine a suitable number of slors and conductors per slot for the starter 1 winding of a 3 phase, 3300 V. SO Hz 300 rpm alternator. The diameter is 2.3 m

2415

How to know vacuum in vacuum cylinder of breaker in working condition

1567

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