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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

DIFFERENCE BETWEEN GROUND AND NEUTRAL?

4 7130

DRAW THE DIFFERENCE BETWEEN GROUND AND NEUTRAL IN BOTH SINGLE PHASE AND THREE PHASE?

2 5012

what is pmg and its use

2 4304

which type of motor using in drilling machine ? & who to produce very high torque in drilling machine?

National Drilling Company,

1 4926

A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 3480

what is the difference between vector scale and vector diagram?

1 4460

How we select the vector group of 3phase power transformer?

wbsedcl,

2735

What is hysteresis loss?

PWD, SPML,

1 5055

is there any role of power factor with frequency variation? and how we can manage the frequency variation?

Wipro,

2059

pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

2055

mcb kitna type ka hata hai aur uska pura naam please bataye

2 6300

1ampear me kitna watts hota hai aur elcb ka pura naam kya hai

Al Khayyat, Alpha G, BEC, Bhel, CGS, Electrical, Fiem, Firmenich, HLG Habtoor Leighton Group, Jash, Kandia, Maruti Suzuki, Minda, NTPC, ONEIC, Pace Process Controls, SMTC, SR, Sunrise Electrical, Sushil Enterprises, Suzlon, Voltage,

18 165670

why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2408

how to find number of run for transformer & alternator secondary side? give the example.

Powergear, Regen Powertech,

2 5324

which on of the transformer have more core losses and why? 1. Distribution Transformer 2. Power Transformer

5 8909

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Un-Answered Questions { Electrical Engineering }

Hoe do calculate the Cable size for Amps rating ?

2163

How much weight an electrical engine can pull??

2092

please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in

2022

differnce between single acting and double acting solenoid valves

1845

I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

1817

what are the tests comes under the type test, what tests comes under routine tests.

1465

what is the maximim current drawn by 1 phase and three phase welding machine

1868

Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

2122

why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

1817

what is load vs Torque curve & why it is used?

2073

HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

2053

sail kaott diploma ece ke interviw me qus.kis parkar ke aate hai aur G.S me kya puchate hai kya sameedyaan me kis parkar ke qu.puchate hai

3439

what will happen if ac and dc supplies given

2133

According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

1974

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

1459

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