Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is real time system type definition

1 3217

when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?

2 3353

IN HT MOTOR HT REFERS TO HIGH TENSION OR HIGH TRANSMISSION?

11 12881

what is the advantage of pwm pulse compare to squarewave pulse.

2 5390

What type of motor is used inside computer CPU.

Bhel, TCS,

11 25355

Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?

Wipro,

3 11761

What is the difference between Relay and Contactor

Siemens,

35 148125

how does an energy meter works?

4 6768

Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

1602

what is joule?

2 4249

what type of protection and safety req. in the 220kv substaion and area around the substation

2 8584

what is the basic construction diffrance between servo motor ans sqiralcage induction motor

1940

What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1336

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

Power Grid,

1446

We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?

4 7869


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Un-Answered Questions { Electrical Engineering }

Circuit diagram of tube light without starter using electrical choke

3563


what is fault level of power system ?

4959


description about dry type transformers

1392


11 kg trivevter meter has rating of -/5amps. And pt ratio11000/110v and is connected with 11kv ct/pt unit of cr ratio 75/5amps. And pt ratio of 11000/110v while checking accuracy of meter with HT Accuchek meter what value of PT ratio and CT ratio to be filled in Accuchek meter

1093


What are the applications of autotransformers?

575






Why is remote backup preferred to local backup?

1415


why ss stablity limit is more transient stablity limit?

1584


can we install HT panel & LT panel side by side or how much clearance is required ?

991


How to detect voltage vector shifting in interconnection protection.

1395


what is difference between earthingpits,earthing grid & earthing mess?

1976


Write down the name of 2 lady Bir Pratin of Bangladesh

1496


I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

1948


What is meant by coupling capacitor?

580


i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1239


In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

1581