Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what solid earthing means?

3 13052

difference between a four point starter and three point starter

9 70134

wts d diff b/w C.T. & P.T.?

9 12499




enlist types of dc generator

Philips,

8 8887

plz tell me in detail about c.t. and p.t. ?

Reliance, SCL,

3 5360

How to calculate electrical Induction motor heating and cooling time constant,11KV,2850,12P,SCIM

Bhel, Regal Beloit,

2 11812

In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

Aegis,

1079

for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

Siemens, Engineers India, GCC, KP, QPSL,

6 11847




EXPLAIN THE TRANSFORMER MAINTENANCE?

Enercon, ERT, GEL,

969

errection check list for transformer maintenance

RRB,

1235

how we select the fuse and OLR rating for 3 phase induction motor from 1HP TO 100 HP?

Thermax,

2 8917

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 2540

if we are using ACB in a panel the how much clearance do we need in panel room.

2 2580

For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

Piramal Glass Limited,

4 19658

can we use metering current transformer as protection current transformer if not why? & if yes why?

Wartsila,

5 11012


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Un-Answered Questions { Electrical Engineering }

2. What are the parameters of EHT sub-station?

959


I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

654


what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

809


what is JE exam?

887


how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

790






what is the differences between microprocessor and general purpose computer

873


which capacity of RCCB used for five thousand watt electricity load?

646


i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

717


Difference between transition and diffusion capacitance

1042


in what type of applications v can use q meter?

866


Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

914


wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

778


Why we cant store an ac power. If we coo store in which device we can?

899


why the voltage and current in a long transmission line are called travelling wave?

1063


How to Design green buildings services? What is the advantage to design green building?

616