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 normal earth resistance?

11 30909

WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR

GE,

3980

what is SWA type of cable?????

4 8809

I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.

1 5258

What is the function of automatic Transfer Switch(ATS) in details

3 25478

Why Delta Star Transformers are used for Lighting Loads.

6 27405

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1967

Define the overload capacity of the motor?

2049

Why is starter necessary for a three-phase induction motor?

BMM, Essar, Hero MotoCorp, ITI, Maruti Suzuki, Supertech, Watt,

37 179325

What is the need of motor starter?

6 12798

What are the advantages of star-delta starter with induction motor?

Merchant Navy, Naval Academy, Samundra Institute of Maritime Studies, YMCA,

7 46916

What are the advantages of DOL starter?

7 38837

Why is the starting current high in a DC motor?

2 12649

How will you determine the rating of a motor for continuous duty variable load motor applications?

1 4591

Enlist four components of electrive drives.

1843

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Un-Answered Questions { Electrical Engineering }

what are the different methods for the starting of a synchronous motor.

1131

What kinds of decision are made about CT from it's Knee point(voltage & current)?

5080

what is draiv work

1901

Difference between earthing & grounding.?

2163

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1602

What are the advantages of stationary armature and rotating field system?

1226

How the annunciator works ? How to do its wiring

2302

Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me

2132

what is meant by 3rd hormonics ?

2024

1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

1890

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1647

how dose servo motor works

1919

how to calculate insulation level of transformer?

1687

How to design harmonic filter at the project stage without nowing the harmonics levels

2216

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1886

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