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 about psu exam eligibility critaria?

ISRO, PSU,

1 8798

What is differance betwwen Conventional MCC & Inteligent MCC?

Quantum, Siemens,

2 6252

where we use 1 phase & 3 phase supply ?what is major advantage using 3 phase over than single phase ?

3 6437

i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 9148

What is the operating range of voltage and current in grid supply in India?

BARC,

4 8859

can we produce cosine wave instead of sine wave? will it usefull?

BARC,

4 10393

what could be the RMS value and average value of a 4 phase sine wave?

BARC,

1887

what is the advantage of NiCd battery over Lead acid battery?

BARC,

2 19706

What is the operating range(tolerance) of voltage and frequency of grid supply in india?

BARC,

10 22715

whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 2847

Can we use HRC Fuse inplace of Semiconductor fuse?

1 6035

What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1946

While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

3552

a.)Ammeter and Voltmeter read rms value or avg. value ? b.)What are symmetrical and Unsymmetrical faults?

2 7287

How we can design a cable for a 3phase load.

3 7525

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Un-Answered Questions { Electrical Engineering }

Please send 110 kv sb station full single line drawing(sld)

2477

State angle criterion.

1127

How to decide DO set rating of Transformer?

1666

what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

1627

what is the difference between electrical and electronic choke?

1973

Basic motor transformer generator

1497

WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

2351

how to decide no of electrodes for 1600A LT Main incomer panel

1665

when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

2506

whether fibre optic cable in high voltage earth conductor is used for protection circuits

1621

How can we calculate cable size in Low voltage & high voltage

1622

Define active filter?

1036

what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2802

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1896

What is sensitivity of a measurement?

1142

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