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

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 2705

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

Milestone, Reliance Jio,

1 3201

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

1891

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

AVT Natural Products,

1 2618

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

AVT Natural Products, EMC,

1681

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

1767

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

FSS, GK Controls, Panel Tech,

2179

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

2 3862

Difference of induction motor & servo motor ??

Macpower CNC Machines,

1826

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

Rukmani,

1 5544

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

Cap Gemini, JLL,

4 6126

What is the function of isolater

Getco, Gland Pharma,

4 6795

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

1805

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

Torrent Pharma,

1842

How the annunciator works ? How to do its wiring

Ford, MSEB,

2302

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Un-Answered Questions { Electrical Engineering }

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

1535

how does directional relay work incase of ac ?

1514

electrical knowelge

1170

Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2736

what is meaning of sympathetic tripping with respect to relays and give the values for current carrying capacities for copper and aluminium cables from 16sq mm to 500sq mm

5096

What are the advantages of vscf wind electrical system?

1089

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

1445

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1961

Approach of a cooling tower is the difference between temperatures of what factors?

1144

Comment on the working principle of operation of a single-phase transformer.

1199

what is acceptance test in electrical engineering.

2160

Difference between Earthing Truck & Earthing trolly for HT panel

4398

give me atleast four differences between circuit and network

2177

what is differnce btwen lll and lllg faults

2017

hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

2917

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