Electrical Engineering Interview Questions
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Basic motor transformer generator

eCentric Solutions,

198

How to perform a DC resistance test In Alternator and their proceduces?

171

if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

207




what is difference between KW and KVA

235

how to select rating of HT Panel

207

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

232

For 35 HP motor how much amount of capacitor should be on in kvr to reduce the current bill

1 298

Why transformer used in UPS??

JLL,

244




The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

233

if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

240

1hp single phase load = howmuch 3 phase load

186

1.4 What is meant by CT knee point voltage and how would you determine it

220

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

157

If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

ABC,

136

i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?

115


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Un-Answered Questions { Electrical Engineering }

what is KA rating and how can we choose switchgears on applications

234


can we find the inductance of a induction motor?

843


cc of scorpio?

940


please write motor, transformer, Generator setting, fault level calculation of Tr.etc

757


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

766






Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

880


DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

781


what are the available sizes of pin type terminal lugs in the market today?

694


How to measure current and voltage in an ELV circuit

2846


CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??

4228


is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

823


I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

424


how to calculate transformer load?

1099


how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

1154


Difference between On Line capacitor and Station Type capacitor.

926