Follow Our FB Page << CircleMedia.in >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

Electrical Engineering Interview Questions

if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

2411

where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer

3351

What are reasond for high wattage in single phase induction motors

779

why we use 50 hz frequency in india .. why not 60 hz

4215

Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1203

What is rccb?

3353

what happends when an isolater is operated on on-load

2899

in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

786

why current is constant on d.c?

1049

what will happen if frequency is below 50 hz?

988

distribution transformer de-rating formula on over limit iron losses

1299

if a train is running on a speed of 40 K MPH and crosses a individual passing by him in 48 secs who is riding a horse with a speed of 25 K MPH. what is the length of the train?

2494

in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

NTPC,

3436

what is power factor?

4132

Why we are using LA Rating 10kA in 66 kv substation

L&T, NMDC,

5336

Un-Answered Questions { Electrical Engineering }

What is Harmonics how it is produced and what is the method to control the same

1289

Why field rheostat is kept in minimum position while armature rheostat at maximum position?

180

What is the distance between body earthing and neutral earthing.?

2784

What is meant by analogous system?

157

what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

1064

what is saturation kit?which use above 15 kw motors panel side.

2821

HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

1180

what is KA rating and how can we choose switchgears on applications

447

Differentiate between ideal and non ideal current sources?

155

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1247

what are the range of memory address in plc for L&T lx7 4A

1288

If a high resistance fault occurs,then what are the changes will happen in the system?

467

HOW MANY TYPES OF FUSE?

1145

Currently what is the highest capacity (MVA) of SPPg generator available in the market?

884

What is the difference between earthing,ground&nutral?

4529