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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 3220

what is breaking capacity

1 4023

HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

ISRO,

1978

if any one phase of the 11kv/415v distribution transformer not delivering the supply voltage what will happen

2 5069

what is strip power factor?

TATA,

2166

What will happen if the voltage in my house drops from 220V to any lower voltage?

2199

diff b/w normal grounding and resistance grounding

1940

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1959

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 2953

Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 7155

What are the main problems in distribution? I have to do an assignment so which problem should I choose? Like power factor problem etc.

4 5952

In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

Vodafone,

1 5698

Can anyone tell the proper diagram of star delta starter????

1930

how to calculate singlephase motor efficiency?

Alstom,

2240

can you any one give exact mathematical relation between AC current and DC current?

2001

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Un-Answered Questions { Electrical Engineering }

If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2082

What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

3005

why tertiary winding is used in transformer with diagram?

2251

what are the different methods for the starting of a synchronous motor.

1131

Graphs of measuring power and speed on dc motor

1963

how to produsing geretor power

2209

How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

2109

what are the basic insulation levels & what its Unit

2017

I want to know how to calculate the size of electricity cable in building?

2015

what is the main difference between power devices and signal devices

2186

What is CCM in Electrical ? where can we use this material?

1459

Difference between rating factor of cable and derating factor of cable?

1643

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

1979

How many types of losses occur in a transformer?

1160

What are differences between Voltage, EMF & Potential difference ?

1993

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