Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is bandpass of a transformer?

2 4116

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

Sail, TCS, Bhel, Sterling Telecom,

15 35685

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



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

9 24863

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

HBL Power Systems, AC, Formo Plastic, SECL,

5 56103

What is mean by diversity Fator?

7 15374

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


11 12619

Explain Clearly Pahase and Neutral?

7 6808

Why the Motor takes High Current in Starting time?

5 8041

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

6 11258

Explain the working principle of Synchronous Generator and Assynchronous generator?


11 43797

why the current leads voltage in the case of a capasitor


9 12265

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

9 10176

The rotor current is directly proportional to slip. How?

3 4917

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

6 11046

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Un-Answered Questions { Electrical Engineering }

What are safety device in vcb and acb?


hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.


What is the dc grounding system and what is diff between AC/DC grounding system?


how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?


Please brief what is sinewave


Could Please Explain briefly. Why used stabilizing resistance series with High impedance bus differential protection relay.


we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit


Can we use shunt trip coil instead of trip coil with protection relay for protection?


state the working of discharge lamp?


what is the function of gss in the dg set.


what are the factors to be considered while design the breaker either HT or LT??


How i can calculate current of cable according to ares?


what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer


how rectifier transformer work in electroststic precipetatore(esp?


Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?