Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

1636

How to calculate the size of window A.C. for 200 Sq. ft room?

Voltas, UltraTech,

3 8764

Why A.C. capacity given in Ton. Ex. - 1.5 Ton

Samsung, UltraTech,

4 19908




how to set the time in digital timer ?

694

wat is the criteria we use the diff. relay ?

2 2548

role of europe union in UK safety legistlation (electrical safety)

583

How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"

933

what is MC 61 relay

2 12741




which pump is suitable for home use ?

3 3458

can we connect both delta and star to the transformer secondary and for what reason?

Power Grid,

5 5478

how you configure motorvision relay (L&T make)from DCS

Ispat,

2618

what should we do when the CT secodary gets open? how do we short circuit it? using tester or screw driver? not dangerous?

6 4912

What is Earthing?

Essar,

16 15170

how to match 0 -10V with 4 - 20mA

3 4973

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

Bhel,

2 5491


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Un-Answered Questions { Electrical Engineering }

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

3228


How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

602


How the annunciator works ? How to do its wiring

778


Please sent me some previous year question papers of BSNL-JTO telecom and RRB in ELectrical Engineering to varshashahi@yahoo.com

791


what is the total power generation in india?

849






How to design inductive load for 3 phase 440v and maximum 5 amps for star or delta? Can we use a 15kW, 1450rpm motor for 15kW, 960rpm apllication?If yes.how......n.if thesame motor used what`s it`s sideeefect.

1272


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

187


what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

3370


How to calculate wire length,size & current? ( related to control panel)

820


What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

628


1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

1038


Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.

787


how indusrial diesel generator work

682


What is touch potential and step potential?

843


whatare the disadvantages occur,if the form factor of transmission will not be equal to 1.11

656