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 8080

what is frequancy

TCS, Torrent Power,

7 12680

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

1 3057

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

1810

who many types of fire explane with exmple

Juniper Networks,

2170

how many Classification of fire extinguisher

Juniper Networks,

2077

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

NTPC,

2530

why pull the single core cable?

1 3642

what is cathodic protection and why it use in industries?

2250

Explain cos(theta) and Sin(theta)

2052

why one side of tubelight glows after switch off ?

1 4559

why inductance is not present in a incandescnt lamp?

2 4521

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

1774

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

1973

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

1 3759

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Un-Answered Questions { Electrical Engineering }

A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1209

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

2019

How can we findout the maximum efficiancy of Transformer? At which load?

2041

pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

2713

What is the Nyquist criterion regarding control systems?

1047

Why saturation region slowly shifted in the left side?

1820

along with technical test papers

1572

H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

1850

how to calculate the capacitor to maintain power factor?

2115

what is transient stability analysis means?

2100

Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2139

I want formula to calculate current loss with distance in km.I searched many sites but didn't right answer.Plz reply me

2011

Where burned of electricity,when,who, & why.

1941

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

2816

Why power factor should not be in leading (capacitive) mode of any load.

6892

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