Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is CVT and what is relation with wave trap?

1071

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

2 6498

Which test will be more severe for VCB?

Reliance, CPRI,

1707




what is the Transformer Impedence?How can calculate?

898

what is the different beetween kva and kwh?

4 3571

What will be happend if we not ground CT secondary?

Engro, Enercon, THDC,

3 5522

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

3 2435

Pls anyone explain me the basics of wiring a house?

3 2724




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

TCS,

1093

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

1016

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 2359

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

1 2660

rrb question

850

what is the main difference b/w contactor and relay

Pace Pharmaceuticals,

2 3334

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

San, Focus Energy,

2 5700


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Un-Answered Questions { Electrical Engineering }

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

1359


When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

1072


Usage of flywheel diode in relays

785


how much excitation voltage required to generate 1mw power?

991


I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1036






how freewheeling diode improves the powerfactor

3571


What is the difference between diesel generator engine with and without turbo charger with the same capacity?

682


Explain how to determine capacitor tolerance codes?

76


what r the checklist while installing 500 kva transformer

1197


What is purpose of reactor?.What is different between line and bus reactor?

970


Can we convert off line transformer to on line transformer

941


Define pole pitch?

66


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?

1024


All tape of electrical questions Answers tape of motor transformer e.o.t crane

1578


Why insulation level follows this order? transformer < bus bar < circuit breaker & Isolator < transmission line.

1071