Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the difference between Isolator annd Circuit Breaker.

ABB, Lanco, NTPC, Power Grid, RInfra,

21 72064

If I fill the form of engineering services and I left the exam de to navoidable reasons . Will it counts my one attempt

2 3709

What is the different type of class in CTS and why it is required

2 5504

what is the difference between neutral and earth

11 15309

What is a Phase shift meter? Where can I get one?

1649

Can anybody tell me the Electrical IS rules website?

1 2861

what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply

2 7421

what is the formulae for selcting capacitor bank to increas pf

4 5743

in a transmission line the aluminium cor is sarrounded and in between there is a another type of matrial what is that?

7 5781

what is the formulae for selcting capacitor bank to increas pf

3 5006

We have a bank capacitor rating of 60 KVAR for a overall load of 160 KVA and we have connected three loads of 50KVA each. We would like to auto matically correct PF using APFC. How do we design it?

2 6366

previous year paper of ntpc bhel for degree in electrical enng

2760

Is there any question in the name of Static Switch in UPS??

1566

I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

1731

what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?

Reliance,

5 13767


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

2388


how to electrically make connection to ferroli GN2N?

1465


How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9

1606


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

2164


How to maintain ac plant?

1515






model question paper for supervisor trainee

1599


What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

1549


Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

1466


why ten delta testing is carried out on power transformer

1354


why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1416


Why is a plain induction motor unsuitable for wide speed control?

1817


sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)

1560


What is the suitable transmission voltage?

670


1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks

2907


Explain in brief description about the operation of DG sets.

1876