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 hystersis loss?

3 6551

what is eddy current loss?

3 6149

what is back emf?

Bhel,

4 9357

what is reluctance?

TCS,

11 39192

what is inductance function?

3 5431

100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

Bhel,

3 6007

why dc supply is not applied for step up or down in transformer

3 6346

What is the direction of rotation of blades in a table fan and in a ceiling fan ?

Power Grid,

11 19674

what are feeder pillars & panels?

1 28088

how vector surge relay works ?

BFL,

3 48400

WHAT HAPPENING TO TRANSFORMER???? i have the step down transformer rating 230/12v, power rating something.,,, ok. suppose iam giving 12v to secondary side,what will happen on primary side.,,,

Coastal Energen,

6 10234

what is second harmonic, how is effect transformer ?.

DEWA,

2 11146

why fuse is not applicable for nutral and what will happen when it applied.

4 7277

Bhel supervision exam question: If 2 generators are working in a network. And if suddenly the field of anyone generator weakens. What will happen in the network? 1. The generator will run as motor 2. The generator will run as motor in reverse direction 3. The generator will take lighter load 4. The generator will take more load

Bhel,

9 13198

what is induction motor

2 5050

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Un-Answered Questions { Electrical Engineering }

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

What is nyquist contour?

1179

why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

2306

what is the solution for meger test failed the MV cable?

4267

What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

3021

We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

1996

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

1805

Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

2115

1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?

2779

What happened when voltage will half value of current ...

1615

Draw a SLD of HT distribution EB grid up to users Transformer?

6207

What is zero of the system?

1103

In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1778

What is the drawback of class b amplifier? How is this minimized?

1136

how to operate and maintenance of 1500 kva diesel generator set

1811

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