Electrical Engineering Interview Questions

Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.

44878

DIFFERANCE BETWEEN function of ELCB? function of rccb? function of mccb? function of acb? function of mcb?

9567

what are the sample questions asking to the test cunducting for electrical superwising lisence test?

720

i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400

784

Why efficiency of generator is higher than motor at a particular load?

892

Why capacitor bank does not require in DG Set?

IBM,

43494

define regulation

3672

33kv Rated output avilable in market (any where in india)

C2C,

893

RESPECCTED SIR/MADAM- I AM PRERING FOR SECTION ENGINEER (ELECTRICAL) RRB CHANDIGARH PLEASE SEND ME SOME PREVIOUS YEAR QUESTION PAPER OR MODEL PAPER.MY EXAM IS ON (30- NOVEMBER 2008).I AM VERY THANKFUL TO YOU. FROM- HARENDRA SINGH YADAV

819

can three phase induction motor rotate with only 2 phases connected

38944

difference b/w eath and neutral

ABB,

7678

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

1070

What the methode get earth resistance?

2885

what is difference between induction motor&servo motor.what r types of servo motor?how it works?

1963

how do we calculate of transformer in va?what is calculation?

9797

Un-Answered Questions { Electrical Engineering }

What are the main faults of DC generators?

1144

Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

631

what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

2329

What is the physical significant of power factor?

663

what is tower earthing and what for it is required

791

sir pls send the je exam - 2008 and other model question papers..

818

what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

759

WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER

892

what are the parameters plays a major role in Potential transformer Burden calculation??

861

if we have 320KVA Genset kindly advice how much load we can put it.

173

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

856

Usage of flywheel diode in relays

583

1.What will be stored in online ups EPROM IC?

848

i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.

732

Merits & Demarits of Oil circuit & Air circuit breakers ?

881