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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How does an induction motor start?

Ericsson,

1164

What is the difference between a Root Locus plot and a Bode plot?

GE,

1233

What is DC series motor?

Ericsson,

1216

How is the speed of a DC shunt motor related to the armature current?

GE,

1145

What is the armature mmf in a D.C machine?

HPCL,

1198

fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

NIC,

1022

For a stable system, where should the poles of a system be in a root loci plot?

GE,

1191

A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

Ittiam Systems,

1181

Classify driling machines.

Essar,

1081

What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

HPCL,

1054

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

TCS,

1034

Give some differences between open loop and closed loop?

Ericsson,

1071

What does Bode plot tell you?

Ericsson,

1344

What is the role of feedback in a closed loop control system?

GE,

1049

What is a DC series motor?

Ericsson,

1210


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1909


we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1683


how we will deside the high voltage value

1926


I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1778


How to address the servo drive for motor

1962


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

2175


what is allowable ac mixing in dc

2053


In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2053


Is it posible to instal one more SMDB from the existing SMDB and is it practical.

2051


typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

1684


234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

1990


how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

2098


use of choke in APFC panels

5734


Any Electrical Engineering jobs?Please refer for interviews. Thank you

1890


What is the automatic voltage regulator with servomotor?

1993