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?

2203

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

2 9730

Which test will be more severe for VCB?

CPRI, Reliance,

2720

what is the Transformer Impedence?How can calculate?

2166

what is the different beetween kva and kwh?

4 6664

What will be happend if we not ground CT secondary?

Enercon, Engro, THDC,

3 8470

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

3 5021

Pls anyone explain me the basics of wiring a house?

3 5242

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

TCS,

2177

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

2101

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 3940

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

1 4532

rrb question

1976

what is the main difference b/w contactor and relay

Pace Pharmaceuticals,

2 5899

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

Focus Energy, San,

2 8484

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How phase to phase voltage comes 440V.

2171

explain Density

1174

what do you mean by class PS CT and what are technical details needed for calculating it?

2054

what is meant by IGBT how they differ from tyristor ?

2499

what is meant by 3rd hormonics ?

2100

if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

2052

1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

2349

Whether the vacuum contactor requires Short circuit protection?If No,why?

2095

234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2300

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

2334

A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1323

Why do we apply both Differential and REF (HV and LV) protection schemes on YNyn configuration of a transformer?

2202

I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1872

where is the need for short circuit test for 3 see is required and why? can you explain in brief with application

2012

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

1737

For More Un-Answered { Electrical Engineering } Questions Click Here