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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to Make relay co ordination chart for a Electrical power distribution of a plant

3843

sir please tel me how calucalte kwh if home taken load 30ams how maney kwh taken per day.and 3phase motor 5hp per hars how maney load teken and how mach kwh and forward me to electrical table for calicalte kwh and kvr and kvah

1 3975

how to calculate the current if i know power in MW and voltage 11kv/415v and also want to know that incoming cables for trnsformer

Daikin, KOC, Reliance,

6 46902

How to calculate unit consumption on the basis of load. kWH=kwXhrs.is it correct? kw is motor load.What is unit consumption at 100% load, 50% load & on no load.

GIL,

6 54969

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

Grasim,

2796

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 8647

If load is 240 kw & pf is 0.8 lagging, than how to increase it from0.8 to 1.0(unit),which rating capacitor used, please give me Calculation. What is effact of consumer & suplier if pf is lagging or leading with on effect machines/ TF/GE etc.

L&T,

6 12569

what is the different between DC & AC load Line.

Emarat,

1 6739

tell me about vfd

8 12437

Suppose am having the PF value .8, so how can we say that is it lagging or leading?

Bhel,

11 15570

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 73357

HOW DO I CALCULATE OVER LOAD RELAY & CONTACTOR IN DOL STARTER? & in dol why it is require circuit breaker?

DLF,

6 22057

What is rms value wher it is used??????????

1 4859

How do you reverse the direction of rotation of a FAN?

CPCL, IOCL,

13 54919

how can we rotate a single phase motor (without cap.)in reverse direction?

2 5319

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Un-Answered Questions { Electrical Engineering }

Why 11kv to be generated in generation station

1673

What is resolver and glass scale in CNC how they work?

2282

How do we calculate over and under frequency tolerance from generator data?

1614

Explain the working of any one cutting machine

1109

sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

2570

WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

2392

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1900

how to find the resistance and gap volatage of the diode??

2057

description about dry type transformers

1895

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2284

Why you are switching off arc protection mcb when you are taking shutdown for lv board.

1699

What are the different losses In a de mac1une'! t.xplam

2748

i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

2155

what do you mean by class PS CT and what are technical details needed for calculating it?

1992

Why transformer used in UPS??

1605

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