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

2290

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

3 5144

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

Vijai Electricals,

3 5258

How much area a lightning arrestor can cover?

5 25351

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

PSU,

2 5933

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

1 3476

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

2087

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

2058

what is the difference between earthed cables and unearthed cables

Bhel,

2 4649

what is the purpose of battery tap voltage.

ABB, Crompton Greaves,

3 24802

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

4 18777

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

1905

what are the basic insulation levels & what its Unit

2063

what efficiency of transformer at 100% load

Emerson,

2617

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

EEEC,

3 11866

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Un-Answered Questions { Electrical Engineering }

induction 3 phase motor terminal connection

2736

how load of a turbo generator can be increased

2011

When lag/lead/lag-lead compensation is employed?

1243

Why different Pressure switch used in marine boiler water circulation system

1819

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3858

what is the use of Auto re-closer?

2207

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

1708

how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1653

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2319

how to calculte capacitor range for single phase induction motors??pls tel

2170

percetans

2243

defination of controlled shunt reactor

2294

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1936

How to do stting of vl250 siemens MCCB

2995

we use capister for power factor. when we use capaciter in dg circuit than defect dg. can we use capaciter bank for dg circuit

1976

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