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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the power factor

Heidelberge Cement,

13 11846

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

NASA, Tech Mahindra,

3 15914

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

 1 4089

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

 3 4783

how to calculate generator capacity?(kva)

SMEC,

2 18292

flush point of transformer?

 2 3810

Hoe to calculate body earthing conductor size ?

IES,

1 8301

how can alculate the apfc panel rating?

 3 13819

why are using bus ducts ? why not using cables

 12 44933

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.

 1315

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?

 1416

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.

 1616

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 7079

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

 2 3940

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

BARC,

2 6273

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Un-Answered Questions { Electrical Engineering }

What are unstable systems?

648

Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?

1641

Define demand factor?

648

Give two basic speed control scheme of dc shunt motor?

615

What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

1920




What OPGW is better than Microwave or PLCC???

3642

What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?

1623

why does connected a indutor with mnsformeretering core of current transformer ?

1631

How to work E.L.C.B and how to connect in circuit.

1518

Explain different types of d.c motors? Give their applications

638

what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

1525

What is the Resposiblity of Electrical Utility Engineer

2407

What are dependent sources?

652

For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!

1717

how does high earth to neutral voltage affect electronic equipment?

925

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