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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why battery is connected in series?

HP,

10 16994

what is isolation Transformer?

HP,

8 12790

I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR HT SWITCH YARD.

7 15532

What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

ITC Infotech,

2061

What is the difference between SSR drive& AC drive?

ITC Infotech,

1 7571

Alternators are invariably star connected why?

4 10055

i need to give section engineer (electrical engineer) for RRB. Please suggest some book

1879

why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

Essar,

1 6399

what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

Electrotherm,

2 25814

how snubber circuit works to protect switching devices?

Electrotherm,

2 6618

i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 10859

we change the speed of the synchronous motor by incresing or decreasing a rotor resistance

1 3595

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

Bhel, Indorama, Power Grid,

1 6868

As per IS why should the control be taken only from R phase, why not from B or Y phase??!!

2 6333

three phase 180kva diesel generator can take how much load in amp and what is formula to get this?

lenovo,

13 62232

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Un-Answered Questions { Electrical Engineering }

when will be the iocl interview results ifaced the interview on september 8 th

2191

Load break swicth maintenance procedure.

1772

What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

2003

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

1891

how much excitation voltage required to generate 1mw power?

2046

anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

2418

What is deference between MCB & MCCB & ISOLATOR

2119

DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1974

Convert a star connected network into a delta connected network.

1118

Which type of a.c motor is used in the fan (ceiling fan, exhaust fan, pedestal fan, bracket fan etc) which are find in the houses ?

1031

at which voltage level arcing ground is occurs ??????????

2068

What is limitedly stable system?

1130

15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1580

What are linear and non-linear systems?

1095

can any one suggest paper presentation topies for electrical engg?

1997

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