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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to calculate cable size in HT AND LT

Apollo, JSKE,

2022

Ht panal kia hota ha?

1 2707

What is the Working principle of ELCB and RCCB?

Geo Miler, L&T,

1 3015

Why is the neutral point of a star connected winding of a motor not grounded?

1 3182

What is the direction of current flow in ct secondary...means if the current is flowing from P1 to P2 then what will be the direction of current flow in ct secondaryw

1888

How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

Dhanam Enterprises,

1665

why we not use capcitor in Three phase motor ??

GOMS, Power Electronics,

2 3345

What is the difference between PT for metering and PT for protection ?

Dewan Cement,

3 11046

What does dny11 stand for?

Cenored,

5 8592

Ac generato how produce power I need for camplet defination

KCL,

1766

How to calculate the 2500 Kva Transformer losses Primary 11KV Secondary 415volts

Laurus,

1 4737

1)Explain why the cradle guard is used on railway crossing in overhead line construction?

5061

1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

1791

How to select the proper VSD to operate high inertial load

1736

what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 2453

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Un-Answered Questions { Electrical Engineering }

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1878

For RCD (Residual current device) Icu is defined. How i can find Ics for them?

2065

On what basis the the size of Lightning arrester for buildings are selected ?

1651

how single phase preventer works ?

2535

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1865

could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

2087

derive DC RMS value for half wave rectifier?

3206

when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2349

i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

2149

what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

2069

what purpose to use excaiter in DG.?

2797

sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

1516

which is better to use svc or synchronous condenser why ?

1826

What is the lockout relay

1534

in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1956

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