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 3135

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

Khidmah,

1815

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

1940

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

PNG Power,

1719

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

2036

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

TPDDL,

2 3799

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

Cap Gemini,

1 3472

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

Debbas, GE, TCS,

2133

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,

2347

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

Legrand,

1700

What the full form of KVARs

Siyaram,

2 3747

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

JLL,

3 4870

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

1 5261

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

1 2809

for 24000kv transformer what is the value earthing resistence?

1 2523

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Un-Answered Questions { Electrical Engineering }

advantages & disadvantages of Lagging and leading power factor .

9629

Define corner frequency?

1208

what is earthing.how we make it,describe briefly.

2622

what is the need of starter in tube light and what type of starter is used in that?

2028

What is difference between isolator and circuit breaker?

1135

What is order of the system?

1139

What is trip and closing coil in cb? Why need of them

1525

Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

1868

is it possible to test of bus bar in high rise building without completed full floor ?

1702

what happens if dc supply is given and the remedies for it.

1830

what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

2109

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1846

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

2409

What are IR values and what it should be for coil and for insulator

3001

i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

2155

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