Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the power factor

Heidelberge Cement,

13 11764

what is the operating principle of contactor(power).along with disection?

NASA, Tech Mahindra,

3 15878

in india why we not use frequency above 50 hz for distrubuting power ?

1 4065

howmany types of compresor is there? and how to calculate compresor capacity?

3 4739

how to calculate generator capacity?(kva)

SMEC,

2 18250

flush point of transformer?

2 3786

Hoe to calculate body earthing conductor size ?

IES,

1 8273

how can alculate the apfc panel rating?

3 13780

why are using bus ducts ? why not using cables

12 44819

How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

1301

what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?

1402

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

1599

why the three phase transformer's star point does not sparks or seperated? while we often see that two phases touches each other it sparks and ocationaly conductor breakes out.

4 7012

Can we parallel two grid with different incoming voltage. Ex.let say one grid is 132kv and another is 220kv.

2 3872

GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR

BARC,

2 6249


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Un-Answered Questions { Electrical Engineering }

what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?

1732


all details of DG UPS HVAC

1503


hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1468


What is the formula to find out two phase active & reactive power

1667


how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

1773






how many types are their in switchyard or substation(like D,I TYPE), what is differant between them

1631




1624


which type of stability limit is higher,steady state or transient? why?

1429


Why syn. Generators are used for the production of electricity?

631


how braking & making capacity of circuit breaker are calculated?

1827


PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2314


What does bode plots shows?

655


i want to know about torque of slip ring induction motor

1678


What is the need of generator relay panel

1489


How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2312