Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the deffrence between Siemens S7-300 & S7-400 PLC?

ADC,

4 31355

Which Programming software are use for Allen bradley PLC's?

ADC,

16 23569

what is the difference between ac and dc generator

14 38976

what will happen when choke in tube light circuit was not working???

7 15418

what is the use of starter in tube light?and what it contains

L&T, RRB,

12 46944

How to calculate the transmission losses incase of overhead transmission lines?

Jindal,

6 11848

what is the different between second harmonics and third harmonics ?

1 4053

what is advantage in open delta connection?

20 68138

why are we maintaining some specific gravity in battery ?

5 7744

how do you test the capacitor bank ?

Essar,

12 35532

what is the procedure for cable sizing or on what basis we will calculate the size of cable?????

ANG, Focus, Mecon,

6 20002

How to take vector group test for Ynd11 transformer.

Voltech,

2 12993

How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 6389

what is the function of starter & choke in the tube light set & how choke give 1000 volts while switching on.

ADNOC Abu Dhabi National Oil Company, IBM,

14 82861

How transformer winding & oil gets heat.

3 5979


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Un-Answered Questions { Electrical Engineering }

What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

1672


Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

1862


What are the main faults of DC generators?

2451


how to erect roof control panel?

1643


In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

1695






how to find the multiplication factor for digital energy meter and analog energy meter

1849


difine electrical ballast in HPSVL

1639


why you don not show protection and type of isolation in key single line diagram?

1598


What is MS-EXCELL?

1750


why does the magnetic balance tests at transformer?

1502


Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

800


plz tell me,ht and lt panel terminals in substations explain beiefly

2451


The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

1766


how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

2074


What happens if the negative to earth voltage is greater than positive to earth voltage in the battery of substation?

1177