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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the difference between earth resistance and earth electrode resistance?

1 11767

how many types of dc batteries standards are present?

2 5059

which power plant has high load factor?

APTransco,

12 22971

please explain power factor in simple words.....

3 7375

what is meant by Hrc fuses.?In the distribution system different rating hrc fuses are used for tranformer(which is 3k,6k,10k,15k etc).what is k?.plz any brother tell me about k?

1 5387

why would amp draw on neutral wire be as much as amp draw on the hot leg.

2093

This is urgent!! What is a Thyristor-based 3-ways selector switch with Zero crossing control? how does it operate and where is it mostly found in a system?

2072

how to compute kvar in substation feeder to improve power factor and sending voltage

2142

define the power factor in one word

12 19000

1000 W bulb takes 4.16 Amps at 240 volt then what will be the KWH & if i am using 1000 W bulb at 180 Volt the amps will be 5.55 then what will be KWH????????????????

2 5668

How do we calculate the Out put voltage of generator, after the excitation is being given?

1933

What is the simplest formula to calculate the rotor diameter of a synchronous generator?

PEI,

2450

How do we calculate the out Put voltage of generator, after excitation being given?

2 5252

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 9326

How do you select a cable size(Cu & Al) for a particular load?

2 6557

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Un-Answered Questions { Electrical Engineering }

we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

2211

how to calculate kvar in Akiva

1941

hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

2010

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

2426

Bimetal strip used in overload relay what is that,which types of material used for that & percentage.

2191

What is an ac motor?

1277

How to calculate VA rating for CT or PT or Control Transformer?

2852

Which material is used for the core of a transformer and why?

1108

What is the purpose of stand by earth fault protection for transformer ?

2085

What is diversity factor in electric installations?

1179

How much load can be taken for chiller from 1500 kva transformer

1280

how make megger test for control cable like 12c x 1.5mm and what it apply voltage and test timing details.

2204

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3211

Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2903

Tell me in detail about c.t. And p.t. ?

1158

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