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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

3840

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 3974

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 46898

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 54958

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 8646

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 12564

what is the different between DC & AC load Line.

Emarat,

1 6737

tell me about vfd

8 12431

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

Bhel,

11 15566

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 73335

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

DLF,

6 22052

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

1 4859

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

CPCL, IOCL,

13 54914

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

2 5317


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

2099


HOW WE KNOW IN PHYSICALLY THE CONTACT SURFACE OF A VACUUM INTERRUPTER IS GOOD OR GOING TO DAMAGE IN A VCB AFTER ABOVE 500 TIMES OPERATED.

2051


Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.

2071


1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

11185


what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1946


What is the difference between Static and servo controlled voltage stablizer?

2181


Differentiate between real and apparent power?

1160


difference between a diode and thyristor?

2237


Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

1693


whate is the meaning of balance/unbalance,in stabilizers type

2139


what is the practical application of full adder circuit?

1854


How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

2197


WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2117


what shoud be strength and weakness to impress interviewer????????

2069


diameter of cable and core is doubled then the value of capacitance is

4296