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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

 3499

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 3608

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 45619

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 53766

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

Grasim,

2543

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 8085

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 11610

what is the different between DC & AC load Line.

Emarat,

1 6278

tell me about vfd

 8 11271

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

Bhel,

11 13772

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 71486

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

DLF,

6 20952

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

 1 4426

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

CPCL, IOCL,

13 52485

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

 2 4759

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Un-Answered Questions { Electrical Engineering }

why the field winding in dc motor is not short circuited eventhough dc supply is applied across the winding

1619

What do you mean by Frame 5 Gas Turbine as well as Mark II.

2236

how we findout a ignater is faulty or not?

1809

What is dynamo?How it works and what is the function of dynamo in a DG.

1821

when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2117

explain with diagram how to protect transformers and substations from over current with help of CT's?

1692

electrical knowelge

940

How many types of circuit loads are there in a common electrical circuit?

898

Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?

1681

What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

1793

why ht cable end termination don't have a gland?

2655

what is interpose? where it is used and why it is used?

824

how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?

1873

132/66kv sub-station procation ?

1974

What is the difference between diode and a transistor in terms of the direction of current flow?

1930

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