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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

can we use ac ameter as dc ameter with ct

1 4216

How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

L&T,

1 6464

what is meant by transformer oil temparature

Vijaya Bank,

3 5594

Why don't connect earth wire to elcb?if earth fault occur,how will detect it

TATA, Tata Communications, Telecommunications,

1 4646

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

C&S, NTPC,

4 8548

Fantio of tranformer

Tenon,

2234

What is the basic difference between directional and non directional over current protection?

1 4789

In an electrical power supply,why if neutral phase of a 3phase supply fail over current occur but if it's single phase supply neutral phase fail low current occur?

1 3550

why transformer rating comes in kva?

HNG, Tech Mahindra,

4 8196

I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

KVF,

2459

exact definition of reactive power in power system

Sreetech,

2 5230

why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 2856

What is multiplying factor of meter if the meter ctr and ptr is open type?

1 5047

We order Dyn 5 distribution transformer to a company. What arrives is Dyn 11. Is it ok to use this transformer. It will be installed alone.

G&S Construction,

3 6317

in transformer input is d.c signal which type of emf is induced

1 4379

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Un-Answered Questions { Electrical Engineering }

What are the different types of dams?

1237

what may the reason for vector shift in a generator?

1871

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.

1997

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

1935

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

2002

what r the checklist while installing 500 kva transformer

2330

HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????

2171

why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?

2074

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2430

how much maximum load a 2 core (Single phase) 16mm aluminium wire can take ?

2641

how we calculate the dick for a pole?

2185

What is the difference between the transmission line and distribution line?

1167

what is package substation.how many types they have

2107

give some advantages and disadvantages of combiniing the session, presentation, and application layer in the osi model into one single application layer in the internet model

2704

what is the Pickup/drop off ratio in BCPU relays

4650

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