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

 3268

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 3281

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 44261

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 52947

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

Grasim,

2323

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 7599

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 10608

what is the different between DC & AC load Line.

Emarat,

1 5967

tell me about vfd

 8 10270

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

Bhel,

11 12293

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 69889

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

DLF,

6 19994

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

 1 4150

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

CPCL, IOCL,

13 50471

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

 2 4270

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Un-Answered Questions { Electrical Engineering }

What Is HO factor in power selection

1543

Explain how you decide what size of electrical wire do you need?

662

wat is the current produced in a 5000v megger? when the positive and negetive terminals are touched on our body get s shock?

1479

Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1517

Why are the cores of large transformers built up of circular transactions ?

1552




IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

1962

what is draiv work

1435

How can maintain our H.T. motors used in cement plant. please send me procedure.

4657

what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??

2104

what is the acceptable limit value for Desolve Gas Analysis/

1427

how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1570

What Is Connection APFC Panel In Compony.

925

does any one know where we can purchase insulation oil for high voltage oil filled cables

1845

I need the list of Universities who have summer intake for BS degree in Electrical Engineering.?

1551

EXPLAIN THE TRANSFORMER MAINTENANCE?

1784

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