Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the power factor

Heidelberge Cement,

13 15309

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

NASA, Tech Mahindra,

3 17383

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

1 4889

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

3 5988

how to calculate generator capacity?(kva)

SMEC,

2 19475

flush point of transformer?

2 4663

Hoe to calculate body earthing conductor size ?

IES,

1 9819

how can alculate the apfc panel rating?

3 15116

why are using bus ducts ? why not using cables

12 48921

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.

1729

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?

1897

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.

2071

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 8603

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

2 4845

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

BARC,

2 7353

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Un-Answered Questions { Electrical Engineering }

can any one suggest me the tilt angle of my solar pannel ?? or tell me how can i know the fix tilt angle of my solar pannel?? my cordinates are 31.503629,72.993164.

1812

HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

1870

What are different types of control systems?

1253

i want to model paper for section engg.

2006

What is the mechanism of WTI

1800

what is the voltage regulation for unity and zero power factor?

2316

why induction motors are rated at 0.8 power factor.

2005

Define resonant peak?

1142

Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

2157

Define the term factor of inertia.

2109

give me applications of sequence bridges . (used in 3 phase un balanced systems)

1976

what are the disadvantages in GIS over AIS

2420

can the measured percentage error during calibration of single phase energy meter be negative?

2408

what kvrah y we need to take the readind of that

2107

how is capacitor bank look like

2405

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