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 CVT and what is relation with wave trap?

2154

why do we prefer VCB over OCB? what are the advantages of Vaccum Ckt. Breaker over Oil Ckt. Breaker?

2 9585

Which test will be more severe for VCB?

CPRI, Reliance,

2658

what is the Transformer Impedence?How can calculate?

2100

what is the different beetween kva and kwh?

4 6472

What will be happend if we not ground CT secondary?

Enercon, Engro, THDC,

3 8332

why we cant control neutral instead of phase in single phase?

3 4886

Pls anyone explain me the basics of wiring a house?

3 5131

i am studying in final year can i allowed for 23rd UES of Indian army

TCS,

2123

what will happen if earth of 33 kv cable (earthed system) is not connected to earthing pit?

2037

sir i am ece engineer.i want to job in power plant.what is the best option for me as electrical engineer or instrumentation engineer?pls reply me.

1 3874

IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.

1 4438

rrb question

1933

what is the main difference b/w contactor and relay

Pace Pharmaceuticals,

2 5779

HOW MUCH CURRENT CAN A 3 -1/2 CORE 100 MM WIRE CARRY

Focus Energy, San,

2 8370

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Un-Answered Questions { Electrical Engineering }

How to select a cable size for particular load?

1829

why transmission is only 3 phase and not 2 or 4 or poly phases

2147

Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

1212

State uses of different types of stsrters with different capacities of motors as below: a. up to 5HP b. above 5hp to 10hp c. above 10hp to 20hp d. above 20hp

2088

from which formula we select a capacitor rating?

2127

what is the difference between general inverter and solor inverter clerly explain plz

2100

how freewheeling diode improves the powerfactor

5429

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1980

how we find transformer capacity by ohm

2220

Explain the different regions in frequency response?

1082

why the neutral line is not giving shock to us if we touch it ?

1784

Single line diagram for dbb (double bus bar)system.

1946

State ohm’s law?

1113

HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?

2001

Explain the role of a car driver as one of a feedback mechanism.

1191

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