Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Basic motor transformer generator

eCentric Solutions,

1489

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

1758

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

1414

what is difference between KW and KVA

1 2352

how to select rating of HT Panel

1452

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

1529

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

1 2375

Why transformer used in UPS??

JLL,

1603

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

1716

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.

1601

1hp single phase load = howmuch 3 phase load

1529

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

1687

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

1416

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

ABC,

1478

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?

1410

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Un-Answered Questions { Electrical Engineering }

What are the difference between CT/PT operated Meter and RRAMR Meter for HT/LT application?

2603

how to calculate fault level?

2284

write a program that prints prime numbers from 1-20 in digonal form

2003

Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

1913

EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.

2321

what is reverse power relay brief explanation and in b/w where it is connected

2042

If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

1980

What is the formula to calculate distribution transformer De-rating on iron losses basis

1844

What is turn ratio of a transformer?

1237

being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give

1915

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2275

physical identification of HT & LT panel

1675

What is tranformer differtial?

2024

What information we need to prepare relay coordination chart

2343

Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

2045

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