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 61020

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

2 2250

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

2 4215




what is the difference between neutral and earth

11 10540

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

868

Can anybody tell me the Electrical IS rules website?

1 1852

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 5732

what is the formulae for selcting capacitor bank to increas pf

4 3650




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

6 2946

what is the formulae for selcting capacitor bank to increas pf

3 3246

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 4651

previous year paper of ntpc bhel for degree in electrical enng

1975

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

740

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

997

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 11133


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Un-Answered Questions { Electrical Engineering }

from which formula we select a capacitor rating?

825


power transmission pole used one support , that only for support or earthing

656


What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

1143


How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

702


what is the difference between pvc & fiber glass cables

308






HOW CAN I GET 5CORE HO7 CABLE SIZE IF I HAVE 1800A?

792


Dear sir my name Ankit i m Diploma holder present working in Welspun Corp ltd Anjar as Asst.engg (salary 14400/month ctc) i Would like to change my company also i have selected in ford India pvt ltd Sanand as trainee Tech with salary 12000/month so please suggest me for changing my job hope for *ve response

1658


where can the transformer having vector group Yny0 be used??

2291


How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

1652


how can we change the phase angle b/w two phase?

2363


What is a surge supressor why its is used in synchronous generators

794


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

2058


For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

182


Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

1139


how to control dc motor?

685