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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the EMF

2 3482

if the power factor is .88 i want to increase the power factor to .99 what number of capacitor is to add?

Amway,

3 4202

what factor is necessary during design of HT & LT MOTORS.

ABB, L&T,

2 4672

i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

2548

How to calculate u.p.s load parsentage plz give me formula

1 3259

What is the difference b/w RMU & substation

1 5217

Hi, i want to know is meant by power quality? How it can calculated ? How we can improve?

1 2375

how does excitation of brushless alternator took place?

1 1953

why the substation require din electrical system?

1 3237

can we calculate the diameter of the cable by its cross section?

1 2114

please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????

GNFC,

1 2601

What does the temperature (30 deg or 35 deg celcius) mark on conservator of transformer indicates?

MahaGenco,

2 2445

How to calculate ant test the burden of Current transformer

NTPC,

1466

1.type of oil in used in transformer.

9 6673

at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

ONGC,

1074


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Un-Answered Questions { Electrical Engineering }

8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......

7204


high voltage transformer input voltage,current and amps rating..distributed transformer input voltage,current and amps rating...

1017


how to calculate power consumption in slip ring motor at different step

1191


What is zero of the system?

154


any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

1072






hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

1161


Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

1025


What are the difference between normal application Transformer and Solar application Transformer?

778


difrent between vcb acb sf6 and mccb breakers

3773


What is the practical way to calculate the cable size for known ampere load?

463


if we give 60 hz single phase supply to the transformer used in europe , than what will happen

1063


What is slip in an induction motor?

181


explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

1270


Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

1351


percetans

1258