Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 4294

I Have 100Ah battery with 650VA Inverter, i WANT TO TAKE a Solar panel to charge my battery, so please suggest me,what rating of solar panel(with solar charge controller) can buy for a load of 450w for 4 hours

Chevron,

1 4879

What is Star Delta Connection, where it is applied & what for it is used

Premium Transmission,

4 6021

working method of railway electricl loco in single wire 25000 volt

1 3451

A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 3102

DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

GE,

6 6518

in shunt clippers why a resistor is used in sereis with the input

1523

How would you relate your key competencies to this position?

1751

is it possible to start a motor in felid connected to a remote mcc

BIET,

1418

why is used for starters for staring motors?

Amrapali, L&T,

6 7634

why is fan rotating slow speed, what is the problem?

4 6099

1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

ICS Integrated Computer Solutions,

1772

why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

Etimaad,

2 4060

In a incandescent bulb, if the glass is punctured, and then power is supplied, the tungsten filament blows up with a flash.Why?

2 4216

xlpe cable 4 core nuetral wire is small why ?

3 4021


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

which type of amplifiers are used in multimete?

1654


how to compute kAIC?  with formulas...

3698


If one lamp connects between two phases it will glow or not?

622


EXPLAIN THE ESSENTIAL FACTORS WHICH INFLUENCES THE CHOICE OF SITE FOR A HYDRO ELECTRIC POWER PLANT

1563


What is the effect of positive feedback on stability of the system?

636






In which working principal temperature transmitter work.explain in detailed.

1841


What is the lower limit of break-down voltage of converter transformer.

1460


why do we put a transformer on soak before loading it

663


what is lumped and distributed elements?

1554


Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2486


what is strip power factor?

1646


Is RTCC panel needs any control supply.

1505


What is the Difference between Ac Drives and Dc Drives? According to application, speed, Torque, cost, Reliability, Construction, Motor etc... Thankyou !!!

1681


As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1176


Define end float in a motor?

5480