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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

1950

what is real and reactive power?

2 4531

what is mean by drives?

2014

what is Bucholtz Relay test???? Explain??

KSEB,

2 7581

What are the procedures followed for underground cable laying.....???

KSEB,

2 11248

Give a brief idea about Control circuit wiring in Substation...???

KSEB,

2 6030

what is oti and wti

Jindal,

3 8339

why we choose 50 or 60 hertz not other value for the power system?

4 8258

how maney type tempereture measurement ?

TATA, Tata Motors,

2258

Why the rating of dc machine is in HP??/ Do reply guys..Its very important......

Apollo,

4 7125

why transformer ratinh is in KVA????/

Apollo, Priyadarshini, Reliance,

8 10267

what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 5091

why we have and use 3 phase not 2 or 4 or other in power system?

2121

can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

2049

what is trip circuit supervision relay? How does it work in switchgear?

Radha Regent Hotels,

6 38890

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Un-Answered Questions { Electrical Engineering }

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1448

What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2811

I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

3251

Can we put 3 layers of cable tray while installing tray

2398

State magnitude criterion.

1116

If not into production, how far did you follow the design and why did not you see it into production?

2176

how to calculate magnetic force genrated by a coil ?

2202

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2104

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

1875

solor panels arrange some angle,panel is flat fitted energy was produced or not why?

1901

what is the difference between droop mode and ischnorous mode in thermal powerplant?

2661

I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1829

what & how to check the lightning arrester

1915

Explain the function and difference of Restricted earth fault, simple earth fault and sensitive earth fault with connection diagram.

2657

armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

1909

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