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Electrical Engineering Interview Questions
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what is real time system type definition

 1 2368

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 1986

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

 11 8407



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

 2 4136

What type of motor is used inside computer CPU.

TCS, Bhel,

11 18951

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

Wipro,

2 8659

What is the difference between Relay and Contactor

Siemens,

35 133307

how does an energy meter works?

 4 4800



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

 878

what is joule?

 2 2919

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

 2 6654

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

 1189

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

 679

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

Power Grid,

796

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 6003

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Un-Answered Questions { Electrical Engineering }

how can tell us the AC indoor or outdoor which Tr and formulls

582

Is it posible to instal one more SMDB from the existing SMDB and is it practical.

855

what is the difference between torque induced and torque load?compare them with respect to dc motor?

687

Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

905

l&t switch FN 63 handle position can we change

1270




please send the IS strandard for electrical to sakthi_murugan86@yahoo.co.in

978

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

850

How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

687

how do you test tachos and servos

730

what are the range of memory address in plc for L&T lx7 4A

924

what is the current setting for different relay protection for transformer .

946

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

1070

what is the effect of un-synchronized power.

676

hi, could someone help me to find a control design for syncronising panel .

594

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

231

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