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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How do you change an AC motor to DC? why there is only 50 Hz frequency in india & not other?

BSF, TATA,

4 8157

What is the formula to find out cross sectional area of cable for certain current rating?

MRF,

1 7874

number of I/O devices in siemense plc

EB,

1 2215

In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

Nissan,

1 2277

draw 3 phase rectifier diagram

Equate,

1 2265

draw single line diagram of UPS

Adani Ports, Equate, IBM, SAP Labs, Socomec, TATA,

1 18072

What are the causes of motor vibration?

Equate,

3 5829

WRITEDOWN FEW RELY CODES

Equate,

1 2326

how to calculate power factor of capacitor? what is transformer rating?

2 5587

WHAT IS THE MEANING OF CYWY

1 7038

How can we calculate C10 rating of a bttery from c5 or c20 ratings??

Intel,

1 5883

diameter of cable and core is doubled then the value of capacitance is

1 4385

why core losses and copper losses does not depend on power factor?

5 22703

transformer phasor diagram under load explain it?

1 2258

how wud i know that whether i have to use unitized package substation or transformer?

1 3561


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is mean by restructuring power system?

2134


how was your last weekend.

1837


Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1968


sir i want previous entrance exam papers for written test

2216


sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

2289


Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1943


can i able to get bhel previous exam question paper?

2154


hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

2170


A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.

1166


hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

1841


sir am giving jspl exam on 19th oct . i belong to eee, so plz send previous question papers ..........to dis id abhilash203@gmail.com

2644


Draw a block diagramof Three UPS systems connected in Parallel mode?

2230


what will happen if synchronous machine rotor fed from single phase ac supply 

1806


Do you need any help with FEWA Electrical Supervisor exams?

1066


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

2070