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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

will a transformer work when pulsating dc id applied to its primary?? what will be the result??

cemp,

2 5163

Why transformer rating is represent in KVA?

Bhel, Sonalika, Usha Martin, Wipro,

7 12429

What is switch disconnector fuse?

1 4090

why transformer fuse wire is very thin as compared to home fuse wire while voltage lavel is low

1 4279

what is the purpose of silicon dropper used in battery charger?

KNPC,

7463

why back up fuse used in vacuum magnetic contactor?

KNPC,

1 4025

how to find value of resistance when 1 kw consumption for 10 minutes

Manipal Hospital,

1 3758

when the motor was star position that is running ok but when the motor was delta it was tripped? why?

Nimbus, SEL Manufacturing,

5 7120

I want to know Electrical Circuit?

2177

what are difference between indoor and out door substation

1 6725

what is transformer tap change HT side and LT side

Alstom, Sodexo,

1 5537

how the find ct mf and mf roll in metering

1 2808

1 Sq.mm ( Aluminium Cable ) = How much Amphere ( AMP )

Google, TATA,

4 19248

if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??

7 9007

when we switch on the switch and load is not connected at home,is electricity wasted?

1 3329

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Un-Answered Questions { Electrical Engineering }

What will happen if we introduce negative feedback to a control system that uses a positive feedback?

1102

How many types oil using in transformer ? How many letars using in transformer..?

2111

What is synchro?

1177

Write down the name of 2 lady Bir Pratin of Bangladesh

1908

What are the conditions to be satisfied for parallel operation of dc generators?

1104

1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6307

What is Servo Ventilated Motor?

2050

Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

1700

Pls Breifly explain about UPS (Inverter,Reserve,Rectifier,Float voltage,Boost voltage).

2793

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1856

What is making & breaking current ???

1520

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

2413

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1987

HOE WE CAN IMPROOVE BY USE OF CAPACITOR

1971

calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

3574

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