Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the deffrence between Siemens S7-300 & S7-400 PLC?

ADC,

4 22527

Which Programming software are use for Allen bradley PLC's?

ADC,

16 14702

what is the difference between ac and dc generator

14 31913




what will happen when choke in tube light circuit was not working???

6 10288

what is the use of starter in tube light?and what it contains

RRB, L&T,

12 39123

How to calculate the transmission losses incase of overhead transmission lines?

Jindal,

6 8611

what is the different between second harmonics and third harmonics ?

1 2633

what is advantage in open delta connection?

19 52824




why are we maintaining some specific gravity in battery ?

5 5192

how do you test the capacitor bank ?

Essar,

12 28126

what is the procedure for cable sizing or on what basis we will calculate the size of cable?????

Focus, Mecon, ANG,

6 14017

How to take vector group test for Ynd11 transformer.

Voltech,

2 10290

How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 3816

what is the function of starter & choke in the tube light set & how choke give 1000 volts while switching on.

IBM, ADNOC Abu Dhabi National Oil Company,

14 72985

How transformer winding & oil gets heat.

3 3933


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Un-Answered Questions { Electrical Engineering }

How 3 phase invertor works?

632


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

886


What is the formula to calculate the rating of a three phase miniature circuit breaker

792


What is the difference between Generator Differential Relay and Transformer Differential Relay?

928


Following test should be conducted to find out relative polarity of transformenr terminals A no load test B back to back test C phasing out test D none of above

879






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

5850


Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

861


what is W.T?specify the acceptable range?

607


can i able to get bhel previous exam question paper?

885


Hello sir i m student of gtu .what is idp.

950


what will happen if i connect 12 volt battery with 24 volt battery charger.

694


what is means of ALF,kPV(min),lexc(max)at Vk,Rct@75 degree centrigate ohm in current transformer name plate?

1329


prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

979


Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

729


If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

729