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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 5673

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

MRF,

1 6718

number of I/O devices in siemense plc

EB,

1474

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,

1604

draw 3 phase rectifier diagram

Equate,

1495

draw single line diagram of UPS

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

1 16601

What are the causes of motor vibration?

Equate,

3 4102

WRITEDOWN FEW RELY CODES

Equate,

1617

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

2 3844

WHAT IS THE MEANING OF CYWY

1 5604

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

Intel,

1 4583

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

3337

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

5 19774

transformer phasor diagram under load explain it?

1484

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

1 2544


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

How Diesel Generator start ?

1746


How would your past experience translate into success in this job?

6213


why induction motors are rated at 0.8 power factor.

1340


How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

1644


Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

1437






What is the difference between electrical earthing and electrical grounding?

482


why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

1902


how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

1449


Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

803


What is an 86-P or an 86-A trip

1370


Benifits of 3ph 4 wire metering over 3ph 3 wire

1843


Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1088


If not into production, how far did you follow the design and why did not you see it into production?

1543


Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

1746


What are the transformer losses?

489