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 want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

2242

Why the capcitor to be discharged after put in to operation & why not inductor though the both elements stores energy?

3 5022

Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

Vijai Electricals,

3 5108

How much area a lightning arrestor can cover?

5 25152

Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

PSU,

2 5865

Where can I get CPWD electrical shedule rates in web? please help me.

1 3394

How many lightning arrestors to be installed on 50MX60MX10M building and is there any formular for that?

1996

Where can I get Iidian straderd specifications for electrical items or works in web? please help me.

2011

what is the difference between earthed cables and unearthed cables

Bhel,

2 4563

what is the purpose of battery tap voltage.

ABB, Crompton Greaves,

3 24670

What is the difference between emf, voltage drop and potential difference?

4 18583

can i use the six sigma method which is used in management area, in state estimation of power systems?

1866

what are the basic insulation levels & what its Unit

2014

what efficiency of transformer at 100% load

Emerson,

2573

what is scan time of PLC & in which factor scan time is decide

EEEC,

3 11713

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Un-Answered Questions { Electrical Engineering }

what is the function and use of cable differential protection relay?

2912

This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

2474

What is the function of the circuit breaker failure relay?

2375

What is resonant frequency?

1275

what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

2081

what is differnce btwen lll and lllg faults

2015

why three phase capacitor takes unbalanced current in capacitor bank?

1491

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

2011

In a single how much maximum current and watts using

2159

electrical

2297

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

2148

please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

1922

HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

1999

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

5197

What are unstable systems?

1125

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