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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

ST Micro,

1 4163

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

Voltas,

1 4814

What are reasond for high wattage in single phase induction motors

1891

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

3 6447

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

1 2781

What is rccb?

1 4846

what happends when an isolater is operated on on-load

1 4579

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?

1740

why current is constant on d.c?

2091

what will happen if frequency is below 50 hz?

Student,

2028

distribution transformer de-rating formula on over limit iron losses  

IESCO,

2304

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?

2 4208

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

NTPC,

1 5020

what is power factor?

3 6448

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

L&T, NMDC,

1 7276


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329


In siemens PLC, why do we want to move the data ?

2325


Why does amplifier gain reduce?

1056


State the types of distortions in amplifier?

1206


How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1897


How to calculate impedance volt in Transformer?

2088


What do you mean by transformation ratio of instrument transformer?

1093


write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2150


WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

2262


how to increase or decrease speed in DC shunt motor by DC convertor

2278


sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

2214


How to improve fuel cell in a distribution system?

1994


What is BusBar integrity test and how it is conducted?

2267


how did the testing of protection relays done through current injection

2089


How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........

2508