Electrical Engineering Interview Questions
Questions Answers Views Company eMail

I need to calculate the Battery bank back up for below configuration:- UPS - 120 KVA Battery Bank - 200Ah Volt of each cell - 12 V Total No of cell - 34 No's Can you please help me to get the battery back up time for above configuration...? along with formula

Wipro,

1 1976

how can i design a APFCR panel? please explain with example..

Milestone, Reliance Jio,

1 2335

why don't we use the generator as a motor? and what will happen?

1401

Load 380kva eb 415v,load amps 350.Same load dg 415v,load amps 420 what reason ?

AVT Natural Products,

1 1925

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

AVT Natural Products, EMC,

1237

1.Can we use 6.6/11KV 300sq mm xlpe 3core cable for LT use (415 Volt). 2. If we use it for LT then what is the current rating

1211

How to calculate wire length,size & current? ( related to control panel)

FSS, GK Controls, Panel Tech,

1661

what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 2741

Difference of induction motor & servo motor ??

Macpower CNC Machines,

1293

What is the minimum permissive IR value for LT & HT motor for safe starting?

Rukmani,

1 4230

what is the CT & PT. where is it uses.what is the using that plese kindly answer me...?

Cap Gemini, JLL,

4 4453

What is the function of isolater

Getco, Gland Pharma,

4 4679

How convergengr of nr method is not dependent on selection of slack bus and how gauss siedel method depends?

1333

why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding

Torrent Pharma,

1400

How the annunciator works ? How to do its wiring

Ford, MSEB,

1799


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Un-Answered Questions { Electrical Engineering }

In radial network the source is fed from 1 end both ends at central

1607


How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

1467


What is the power requirement of tamil nadu for one month?

1554


What is current divider rule (cdr)?

819


Draw the equivalent circuit of crystal oscillator?

754






Can anyone tell the proper diagram of star delta starter????

1457


quantizer means?

1477


Why is negative feedback invariably preferred in closed loop system?

1737


How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

877


what is droop control?

1617


what is your majour contributions in your present job

1336


sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

1764


WTA used cb?

1435


how to determine motor size for a fan application?

1781


High speed earth switch operation with diagram

1875