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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

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

ADC,

4 32659

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

ADC,

16 27011

what is the difference between ac and dc generator

14 42094

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

7 16842

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

L&T, RRB,

12 49626

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

Jindal,

6 13153

what is the different between second harmonics and third harmonics ?

1 4566

what is advantage in open delta connection?

20 72015

why are we maintaining some specific gravity in battery ?

5 8968

how do you test the capacitor bank ?

Essar,

12 38256

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

ANG, Focus, Mecon,

6 21784

How to take vector group test for Ynd11 transformer.

Voltech,

2 13719

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

4 7470

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 85808

How transformer winding & oil gets heat.

3 6783

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Un-Answered Questions { Electrical Engineering }

How to calculate VA rating for CT or PT or Control Transformer?

2813

What are the properties of a resistor?

1056

2358

What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

1973

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

2119

What is the meaning of 40X8X2 busbar dimensions for carring load of 400 Amps

1955

What are the types of instrument transformer?

1129

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

1256

what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1469

How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?

5370

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

1045

What is slope...? Explain slope 1 and slope 2...?

1561

How can we convert 11 kv to 440 volt without using transformer ?

1394

why we are using earth pit in sub stations.?

2098

why does make gain margin and phase margin on same plot.?

2041

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