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

3788

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 3922

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 46637

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 54735

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

Grasim,

2752

Selection criteria for Vector group in power / distribution transformer.

ABC,

1 8562

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 12385

what is the different between DC & AC load Line.

Emarat,

1 6652

tell me about vfd

8 12224

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

Bhel,

11 15295

how to calculate the multiplication factor in HT incomer trivector meters

Dalkia, Getco, Gujarat Energy Transmission Corporation Limited GETCO,

9 73019

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

DLF,

6 21864

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

1 4798

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

CPCL, IOCL,

13 54524

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

2 5213

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Un-Answered Questions { Electrical Engineering }

Write down the name of 2 lady Bir Pratin of Bangladesh

1865

why are distributed windings generally used in alternators?

2676

How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

2162

what is the ms flat constant for calculating earth mat design calculation?

2477

i have completed deee and i've (June2012-feb 2015 experience in electrical maintenance in pvt ltd company.company having HT & LT electrical power.how to apply electrical C-license ,NOW I was resigned my job,what are requirements of applying for c-license

1684

How we calculat the NGR of 3phase Generator, Our generation voltage 11KV

3264

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

2080

What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

1972

How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

2030

What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

1060

What is load boxes ?

2103

what will happen if ac and dc supplies given

2091

how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1768

10 Mtr Hight of Lighting Arrestar how much area coverd??

2447

What is an automatic controller?

1114

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