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's mean by Transient stability analysis?

1 3358

what's burden resistor, why it's used?

Bhel, TVS Group,

1 25272

what's transient & sub- transient reactance means?

2 48444

what's ripple content in rectifier? how it formed?

1 4115

what's float charger and boost charger? why it's used?

APCPDCL, PTCL, Rolls Royce, Siemens,

2 45646

In track electrification Either we use single conductor or double conductor? why?

2 5376

In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 3262

what's the difference between induction generator and synchronous generator?

IBM,

1 4851

what's the exact magnitude of current, flows through Neutral?

1923

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 7242

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

Siemens,

1 5140

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

Bhel,

13 35456

WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 12880

why we step down the voltage from 440 to 220 in machines

4 6687

is there any concept of armature reaction in Induction motor?

4 16706

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Un-Answered Questions { Electrical Engineering }

how to calculate vfd o/p voltage by frequency

2128

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

1943

When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is

1095

On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

4330

what is the thumb rule for determination resistance of resistor?

2276

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

1656

what does mean of RCT and STR in diffrential CT?

4179

How does HT work & Voltage required?

2216

Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

2316

Factory acceptance test. FAT. For 132 kv transmisstion towers what is that meaning and what are the tests commonly companies perform now days.

1778

Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

2165

sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1434

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

1673

List some examples of renewable energy?

1155

What is meant by vector group

2461

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