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 parallel a alternator without using synchro scope or lamp methods

Ofer,

1 3128

what type of motor used to move a 1 ton gate? and relate ratings with load.

Khidmah,

1812

What is the working principle of servo motor? And explain it.

1936

What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

PNG Power,

1714

What are the roles and responsibilities of electrical engineer in cement plant

2031

If the secondary winding will be open in current transformer, how to damage the insulators

TPDDL,

2 3782

What is the arc. I saw word arc in between sf6 & vcb brakers

Cap Gemini,

1 3467

How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

Debbas, GE, TCS,

2128

If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.

Usha Capacitors,

2343

Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

Legrand,

1698

What the full form of KVARs

Siyaram,

2 3740

What are the safeties in elevators?what is the use of governor in elevator?

JLL,

3 4860

Explain what happens to the speed of a series motor as the load decreases

1 5253

Sir we are using 250 kva DG its Diesel consumption 25 lits / hrs maximum load 160 kva now how to calculate units/ litres

1 2804

for 24000kv transformer what is the value earthing resistence?

1 2517

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Un-Answered Questions { Electrical Engineering }

Load break swicth maintenance procedure.

1772

how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1933

If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

2064

How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

2000

how to calculate the breaking capacity of different breakers.

2295

what is the reactive power what is the use of it in system

2159

how to build a network which step down 415v to 1v rms

1996

Control wiring of a dol starter for forward and backward

1581

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

2009

What is the difference between resistance grounding system and resistance earthing system?

1091

TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

2018

3phase cable calculation formula by motor load

1519

block diagram of 2 ups system connected in parallel mode?

2080

Define demand factor?

1118

when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

1768

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