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 the difference between AC Drive and VFD?

ITC Infotech,

10 24544

1. what is difference between VCB and ACB.how its works please explian.

ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

6 74919

if HT side voltage is high current is low . and LT side voltage is low current is high please explian.

HP,

5 23736

what is electricity.

HP, L&T,

6 8664

what is maximum demand.

HP,

9 25478

if 20 hp motor starts directly delta connection.motor what will be the effect.

HP,

3 7016

if 20 hp motor starts directly stars and contenious run . what will be the effect.

HP, Ohsung Electronics,

11 21279

star delta connection used in reduce the starting current at 3 times . how its reduce the current please explian .

HP,

7 27829

what is on line transformer and off line transformer.

Cisco, HP, ICC,

3 8470

what is electricial and mechnical interlock.

Control Dynamics, EFS, HP,

9 68123

please explian how may types of maintenance works.

HP,

4 9811

what is safety measures of alternator.

HP, MNC,

10 32545

what is main parts of alternator.

HP,

3 15522

what is safety measures of transformers.

Amtek, Hotel Jobs, HP, RMU, SKFM, Taj Group,

16 70652

if AVR fails in alternator. what will be the effect.

HP,

13 28927

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Un-Answered Questions { Electrical Engineering }

what is v/f control in VFD?

1550

What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

1520

How many types of protection relays are there based on the characteristic?

1087

3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1962

An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

2063

how to calculate kvar in Akiva

1939

A 230V dc shunt wound motor has an armature resistance of 0,15Ω.When operating on no load at 650 rev/min the armature current is 6A . The motor takes a full load current of 85A. Calculate the full load speed if the field flux is (i) maintained constant (ii)reduced by 0,03

2013

How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

2261

in 132kv substation CRT means

2622

what is meant by brushed alternator & its working principle ?

1927

How to calculate Temp from Resister from PT100 equation,

1759

what is the criteria for selection of conductor used for ehv ac electrical dischrge

2095

why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

2024

What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

1994

Name a govt approved university which have 100% online engineering course.

1717

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