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 bandpass of a transformer?

2 6785

When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

Bhel, Sail, Sterling Telecom, TCS,

15 51699

please send me the L&T Emb. sys. placement papers and entire details of pattren

HMM, L&T,

2290

Why we connect the capacitor in Delta?if we conect in Star what will happen?

9 32565

What is IGBT?Where it is used? What is the difference between IGBT and Thyristor?

AC, Formo Plastic, HBL Power Systems, SECL,

5 64736

What is mean by diversity Fator?

7 21177

can we use 220 volt 15 w a.c. lamp on 220 volt d.c.

Philips,

11 22083

Explain Clearly Pahase and Neutral?

7 11701

Why the Motor takes High Current in Starting time?

5 12201

What is the difference between Surge protection device and Lighting arrester?

6 16646

Explain the working principle of Synchronous Generator and Assynchronous generator?

TATA,

11 54579

why the current leads voltage in the case of a capasitor

Infosys,

9 21125

Motor also having losses, we call KW rating. In transformer and generator having losses but we call KVA Rating why?

9 16278

The rotor current is directly proportional to slip. How?

3 8383

How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 15927

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Un-Answered Questions { Electrical Engineering }

What do you mean by transformation ratio of instrument transformer?

1053

in 132kv substation CRT means

2583

What are the various types of BUSBAR Schemes? explain each

5245

how to get electrical supervisor competency certificate in gujarat. i did 3 year diploma in electrical

2533

How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2052

what are the difference between AC lamp and DC lamp

2042

Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

2304

How to calculate Voltage regulation of 22 KV Over head Line.

1617

What is Diff btw Fire Alarm & VESDA System???

2348

Explain Creepage Distance of Insulator

2166

Why squirrel cage motor can only use with low starting loads ?

2008

What is relation between transmission lines & Communication lines ?

2143

Pl. brief about break-down maintenance of machine tool.

1756

What are the types of excitation system?

1973

how we sesign the transformer give some specifion regarding design of transformers

1871

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