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 CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

CA,

2 11343

what is the difference between KW and KVA?

15 70146

how do find power factor in practically and what it means?

3 8025

why transformer rating in kva ?

Eltel, RRB,

14 24556

Why the transformer rating is denoted in VA rating why not in KW

7 16702

what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

BEL,

3 10907

What is the reactive power and how to control the reactive power in power plant

14 27542

Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

ABC, Kirloskar, Sify,

15 49718

What is the difference between CRNO and CRGO in an transformer and what is the advantages of these two.

Anchor, CIL, ETA, Kirloskar,

13 74272

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

HPCL,

2076

i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately

Bhel,

2031

in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 28702

What is the difference between Neutral and Earth

Bhel,

6 11872

How do you select a cable size(cu and Al) for a particular load

Pepsi,

6 13741

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

Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

10 33781

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Un-Answered Questions { Electrical Engineering }

What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

2423

what is Fan Control Cubicle

2528

Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.

3400

Is potential difference materials property ..? if yes tnen how.. explain brifly.

2117

WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?

2132

What are motor generator sets and explain the different ways the motor generator set can be used ?

1226

What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

2210

What is difference between Harmonic and Non harmonic Capacitor Bank?

2973

I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15677

What kind of maintenance is conducted for Transformer

2366

What is mean by Sensitive Earth fault & what are the effects

4608

how to find out 3 phase complex power in per unit in unbalanced system?

2075

what is breathing?

1863

while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1965

which capacity of RCCB used for five thousand watt electricity load?

1925

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