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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

does over charging of a battery reduce its life?

KSEB,

4 8237

what is frequancy

TCS, Torrent Power,

7 12921

Can we use Motor protection CB while we use the VFD for Speed control?? if not means please tell the reason!!!

1 3134

the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1850

who many types of fire explane with exmple

Juniper Networks,

2215

how many Classification of fire extinguisher

Juniper Networks,

2118

where solid grounding and where grounding through ngr done and why?

NTPC,

2581

why pull the single core cable?

1 3720

what is cathodic protection and why it use in industries?

2291

Explain cos(theta) and Sin(theta)

2111

why one side of tubelight glows after switch off ?

1 4625

why inductance is not present in a incandescnt lamp?

2 4594

why do we have spikes enough to burn electronic boards, when generators are not grounded

1808

what is the cost of a analog tachometer, for lab purpose/

2021

why we used.c source in the field of the alternator , why not a.c source.

1 3820

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Un-Answered Questions { Electrical Engineering }

How to use earthing on shipments.

1445

what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

4558

Post possible questions for Power Factor Panel FAT / SAT

1403

what is the formula of starting current of 3phase and 1 phase motor???

2107

Define sensitivity?

1099

how to do the ductor test?

7064

What descriptive information does the NEC require to be marked on all conductors?

2006

In MEP Services what are parts of STP and what are there function?

3554

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

1503

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4279

what is the difference betweem star connected motor & delta connected motor?

2365

In CTs tan delta point should be earthed , what is the reason behind it?

3025

Define characteristics impedance?

1130

What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

2035

How many types of electric motors are there?

1205

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